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Which scenario is an example of a negative feedback loop?
A.
When body temperature increases, sweat is produced as a cooling agent to lower body temperature.
B.
In some parts of the world, birth rates are far exceeding death rates, which has led to overpopulation.
C.
Ice reflects sunlight much better than water. A warmer atmosphere is turning ice to water, which is absorbing more of the Sun’s energy.
D.
A warmer atmosphere is leading to warmer oceans. A warm ocean releases more carbon dioxide, which traps more heat in Earth’s atmosphere.
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Answer:
A)
Explanation:
Question has been asked before so I know the answer.
how might a country run out of water
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Answer
Along with decreasing rainfall comes rising temperatures. By 2050 the U.S. could be as much as 5.7°F warmer, and extreme weather events, such as heatwaves and drought, could be more intense and occur more frequently. As temperatures warm, evaporation increases, further decreasing water in lakes, reservoirs, and rivers.
water is warmers by the sun and ?
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Answer:and then it evaporates into the atmosphere
Explanation:
Gut bacteria provide all of the following benefits Except
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Answer:
Despite the acidic of the stomach, diverse phylotypes of resident microbes thrive in the stomach.
Explanation:
ESTOS ALIMENTOS DULCES AZUCARADOS NO SÓLO SON MALOS PARA LA SALUD,SINOQUE YANDIEN PUEDEN SER E________.AMENUDO SE DISFRASAN CON NOMBRES QUE PUEDEN SER S________ ,
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La respuesta correcta para esta pregunta abierta es la siguiente.
Desafortunadamente, no anexaste opciones o incisos para responder la pregunta. Sin embargo, podemos comentar lo siguiente.
ESTOS ALIMENTOS DULCES AZUCARADOS NO SÓLO SON MALOS PARA LA SALUD, SINO QUE TAMBIEN PUEDEN SER ENGAÑOSOS. A MENUDO SE DISFRAZAN CON NOMBRES QUE PUEDEN SER SABROSOS.
Es muy importante que seas cuidadoso con los alimentos que consumes como parte de tu alimentación. Muchas empresas, a través de sus marcas, comparten publicidad engañosa para atraer más clientes bajo la promesa de alimentos sabrosos y nutritivos. Y la verdad es que no. Te están engañando.
No hay nada como basar tu dieta diaria en frutas, verduras y un equilibrio entre proteínas, carbohidratos, azúcares naturales y grasas.
Si es necesario, consulta a tu médico o a un nutriólogo para que te expliquen qué tan malo pueden ser los alimentos con muchos químicos.
¿Son sabrosos? Sí, pero también están llenos de sal, grasas, azúcares en excesos que le hacen mucho daño a tu salud.
En México ya existe una ley que obliga a todos los productos colocar unas etiquetas de color negro con blanco en todos los productos con la leyenda: "exceso de sodio," "exceso en grasas," exceso en azúcar."
Esto, con el propósito de que la gente se entere antes de comprarlos.
An oak tree falls in a forest. It kills some ants and stops grass from growing
below it. What type of disturbance is this?
O A. Secondary
O B. Primary
O C. Cyclical
O D. Small
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Answer:
This is O D. Small type of disturbance.
Explanation:
Small-scale biological disturbance.
Answer:
O D. small
Explanation:
In ecology a disturbance is an event that causes a change in the environment. There are small-scale disturbances and high-magnitude disturbances. Small-scale disturbances are typically driven by biological processes -for example the fall of a tree- while high magnitude disturbances are typically driven by physical processes -for example, storms-. Small-scale disturbances as single-tree blowdowns are very important to create and maintain diversity and heterogeneity in the forest.
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Explain how this mutation will result in competition within the population that is linked to the idea of survival of the fittest.
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Answer:
Survival of the fittest, term made famous in the fifth edition (published in 1869) of On the Origin of Species by British naturalist Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing. Darwin borrowed the term from English sociologist and philosopher Herbert Spencer, who first used it in his 1864 book Principles of Biology. (Spencer came up with the phrase only after reading Darwin’s work.)
Herbert Spencer's Principles of Biology (1864) first introduced the expression “survival of the fittest.”
Survival of the fittestQUICK FACTSKEY PEOPLEAlfred Russel WallaceHerbert SpencerRELATED TOPICSAdaptationNatural selectionDarwinian fitnessUse in evolutionary theoryDarwin did not consider the process of evolution as the survival of the fittest; he regarded it as survival of the fitter, because the “struggle for existence” (a term he took from English economist and demographer Thomas Malthus) is relative and thus not absolute. Instead, the winners with respect to species within ecosystems could become losers with a change of circumstances. For example, fossil evidence supports the notion that the mammoth (Mammuthus) was more fit during the most recent ice age (which ended roughly 11,700 years ago), but it became less fit as humans hunted it and the world’s climate warmed; fossil evidence suggests that the mammoth succumbed to extinction a few thousand years later.
Darwin’s theory of evolution by natural selection entailed three crucial elements: variation, reproduction, and heritability. Variations in the physical features of organisms that tend to benefit an individual (or a species) in the struggle for existence are preserved and passed on (or selected), because the individuals (or species) that have them tend to survive. The success or failure of a given variation is not known when it emerges; it is known only retrospectively, after organisms that possess it either grow and mature and pass it to their own offspring or fail to mature and reproduce.
Importantly, Darwin was influenced by the thinking of English physicist and mathematician Isaac Newton, whose system emphasized experimentation, mathematics, and logic over subjective sense experience. During Darwin’s time, his evolutionary theory was an attempt to construct a similar system for the living world, a frontier not yet crossed in the biological sciences.
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Some philosophers and scientists have suggested that the notion of survival of the fittest is an example of circular reasoning—that is, a tautology (a statement framed in such a way that it cannot be falsified without inconsistency). In tautologies, any true statements that follow are a matter of definition. Indeed, describing those that survive as the fittest is similar to stating that those that survive survive. British philosopher Karl Popper considered “survival of the fittest” self-evident at first; however, he changed his mind after realizing that Darwin posited variation axiomatically; that is, Darwin noted that all individuals did not start with the same set of characters (or traits). Therefore, the forces affecting survival did not weigh on individuals and species equally; there were always variations, some of which would prove favourable and confer fitness over others.
Explanation:
please give this answer as brainliest answer
Of the following, which statement is false?
A) Biotic factors are living things
B) A biome is a major regional or global community of organisms
C) An example of an abiotic factor is sunlight
D) Heterotrophs can make their own food
E) Other:
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Answer:
D) Heterotrophs can make their own food
Answer:
d is your answer it's definitely d
Which pie graph is shaded to best represent the approximate percentage of time that humans have existed during Earth’s entire history?
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Answer: I chose D and got it right just always choose the smallest one their hope this helps yall
Explanation:
PLEASE HELP WILL MARK BRANLIEST!
Fungi and bacteria are examples of _____:
A. decomposers, B. producers, C. consumers, D. demagorgans
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Answer:
a. decomposers,
Explanation:
Bacteria and fungi are best classified as decomposers. They decompose the bodies of dead plants and animals.
O daltonismo é um distúrbio moderado ligado ao cromossomo X que se caracteriza pela cegueira para as cores verde e vermelha. Considerando-se o cruzamento de uma muher carreadora do alelo para o daltonismo ao se casar com um homem de visão normal, cuais as chances de as filhas desse casal serem carreadoras é de ?
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Answer:
50%
Explanation:
Olá. Primeiramente é necessário informar que perguntas em português devem ser postadas no campo "world Languagens". Isso porque esse não é o servidor basileiro e sim o servidor americano. Caso contrario, a sua pergunta pode nunca ser respondida e até mesmo excluida do site.
Em segundo lugar, para que seja possivel que você repsonda a essa pergunta você precisará preencher um Quadrado de Punnett, como mostra a figura abaixo.
Como você sabe, as mulheres possuem os cromossomos XX e os homens XY. Como a mulher apresentada na pergunta acima possui o alelo para o daltonismo, mas não apresenta daltonismo, podemos considerar que apenas um dos cromossomos dela possuem esse alelo. O alelo para o daltonismo é recessivo, sendo assim, podemos considerar que essa mulher possui os alelos XDXd. Homem com quem essa mulher se casa, não possui daltonismo, logo os alelos dele são XDY, como mostrado na figura.
Ao preencher o quadrado de Punnett, você verá que existe a possibilidade desse casal possuir duas filhas, uma delas pode possuir os alelos XDXd, igual a mãe e, portanto, ser carreadora do alelo para o daltonismo.
Sendo existe uma chance, em duas filhas desse casal ter uma filha carreadora de daltonismo. Isso é igual a 1/2, que resulta em 0,5, ou 50% de chances de ter uma filha carreadora de daltonismo.
how many molecules of DNA would result from one molecule after five cycles of PCR?
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In an energy pyramid, up to 10% of energy is transferred between trophic levels. Suppose the producer level has 50,000 J. Approximately how much energy is available to the next level, the primary consumer, in this energy pyramid?
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Answer: 5,000
Explanation:So it is the 10% law, this is an example 10,000 for the first animal, 1,000 for the second and 100 for the third. So for 50,000 it would be 5,000 for the next
Atividade de Português
Answers
Answer:
1- C
2-
3- C
4- C
Explanation:
Amalia has the flu, a communicable disease that causes a cough and a runny nose. Which best describes how she likely got it?
She does not exercise.
She has a poor diet.
She touched the doorknob in a classroom.
She inherited it from her parents.
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Answer:
is this multiple choice if not i have a better way of answering the third one like; as someone in her class has the flu the person touched the doorknob ,after a while she also touched it and without washing her hands she touched her nose then the disease had entered her body
YOU CAN SIMPLFY IT SINCE IF YOU TO BE IN A TEST YOU CANNOT REMEBER ALL THAT... :)
BUT I TRIED
Explanation:
Answer:
She touched the doorknob in a classroom.
Explanation:
anyone can get a cold By Touching something that was affected, or getting near someone who has been affected.
I hope this helped!
Two students are pushing a sofa across a room what is the net force applied to the sofa by the students?
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Answer:
400N
Explanation:
Hope this helps! Best of luck :)
The study of how gene expression is turned on and off and which considers the
interactions between DNA, RNA, proteins, and the environment is called
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Answer:
epigenetics
Explanation:
Epigenetics is the study of how gene expression is turned on and off and which considers the interactions between DNA, RNA, proteins, and the environment .
What is Epigenetics?Epigenetics is the study of how your behaviors and environment can cause changes that affect the way your genes work.
What are 3 factors that affect epigenetics?Several lifestyle factors like diet, obesity, physical activity, tobacco smoking, alcohol consumption, environmental pollutants, psychological stress, and working on night shifts.
To learn more about Epigenetics ,here
https://brainly.com/question/22393899?referrer=searchResults
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4. Which makes up most of Earth's surface? (1) the
atmosphere (2) the lithosphere (3) the hydrosphere
Option 1
Option 2
Option 3
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Answer:
3) hydrosphere
Explanation:
About 71 percent of the Earth's surface is water
Investiga un uso beneficioso (medicina o industrial) para las bacterias, virus y Hongos microscópicos. Explica brevemente su utilización.
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Answer:
- Hongos: antibiótico penicilina
- Bacterias: producción de insulina para uso humano
- Virus: vectores basados en adenovirus para el desarrollo de vacunas
Explanation:
Los microorganismos son fundamentales para el desarrollo de diferentes tipos de aplicaciones industriales y medicinales. Por ejemplo, la penicilina es una sustancia sintetizada por el hongo Penicillium notatum, la cual es ampliamente utilizada como antibiótico debido a sus propiedades antibacterianas. Las penicilinas son antibióticos del grupo de los betalactámicos que tienen como núcleo un anillo central de beta-lactama, las cuales son capaces de destruir una amplia variedad de bacterias. Por otra parte, las bacterias pueden ser usadas para la generación de moléculas orgánicas con fines médicos. Por ejemplo, cepas de Escherichia coli han sido modificadas mediante técnicas de ingeniería genética con el objetivo de producir insulina humana, una hormona central en el metabolismo de la glucosa. Mediante técnicas de recombinación genética, el gen responsable por sintetizar insulina humana ha sido introducido en bacterias. Las cepas de E. coli son relativamente fáciles de cultivar en el laboratorio y por lo tanto permiten obtener grandes cantidades de esta hormona (insulina). Finalmente, existen ciertas tipos de virus inocuos para nuestro organismo los cuales han sido recientemente utilizados como vectores para el desarrollo vacunas. Mediante esta técnica de ingeniería genética, un determinado vector viral (por ejemplo, un virus de la familia de los adenovirus) es modificado genéticamente con el objetivo de insertar un fragmento de un agente infeccioso o 'antígeno' el cual individualmente es incapaz de producir daño. Las vacunas diseñadas a partir de vectores virales son inofensivas para el organismo pero son capaces de desencadenar una respuesta inmune contra el antígeno recombinante, generando de este modo una memoria inmunitaria en contra el agente infeccioso.
Javier investigated what happens when Earth's plates meet. He found that as Earth's plates meet at plate boundaries and interact, they move in three different ways. The ways they interact produce changes on land and on the ocean floor. What are the kinds of boundaries that plates form? Label each plate boundary with the correct type from the choices below.
Answers
Answer:
I. Divergent
II. Convergent
III. Transforming
Explanation:
The crust is the outermost layer of the earth. It is divided into many plates that move over the mantle. Nowadays, there are six different bigger plates and twelve that are smaller. These plates are limited by three types of ridges or borders that differ in the movement they produce.
Boundaries types:
I. Divergent: New crust is created by the rising molten materials coming from the mantle. Two plates separate, and the stream of hot material creates a new seabed between them. It occurs an expansion of the sea bottom. As old plates get separated, the new and young crust instantaneously gets formed. The emerging mantle occupies the space left by the separation of the two plates. This process occurs along with an underwater mountain range, known as the mid-oceanic ridge or divergent ridge. An example of this is the ridge located in the middle of the Atlantic Ocean, extending from Greenlander to the southernmost point of South America.
II. Convergent. Collision area between two plates. Two oceanic plates might collide, or one oceanic plate with a continental one. In this last case, the oceanic crust sinks under the continental plate, and magma rises to the surface by crevices. The thicker and older plate subduces under the other plate. The Himalayas and Los Andes are examples of these collisions. Also, collisions create volcanic arches and continental arches.
III. Transforming. The plates slide laterally with each other, and they are usually called faults. It is associated, in general, with the oceanic ridge, although it might also occur in the continental plate. No rocky material is either destroyed or formed. When the plates move and produce a displacement of one transforming limits from side to side, earthquakes occur. The movement breaks the crust and originates pronounced fractures. The San Andrés fault is an example of this plate ridges.
The kinds of boundaries that plates form is the fact that seismic activity takes place at the three known types of plate boundaries called divergent, convergent, and transform.
What happens when Earth's plates meet?If two tectonic plates meet, they create a kind of convergent plate boundary.One converging plates often shift or move below the other, in an act known as subduction.
The new magma (molten rock) tend to increase and may erupt to create volcanoes.
Learn more about Earth's plates from
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Which of the following is most likely to form when hot magma rises up as tectonic plates move apart below the ocean
1.mid-ocean ridge
2.fault
3.trenches
4.subduction zone
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Answer:
A. Mid-ocean Ridge.Explanation:
A mid-ocean ridge a mid-oceanic ridges are underground mountain formed by tectonic plates.
help me ls 20 points !!! i will mark brainliest just someone help me quick
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Answer:
Mutations and sexual reproduction is the right answer
Hope it helps:)
Please mark me the brainliest if you won't mind:)
Identify the main floral organs
of a flower.
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do you think it is right for people to keep animal's in their homes?
Answers
Answer:
There are many health benefits of owning a pet. They can increase opportunities to exercise, get outside, and socialize. Regular walking or playing with pets can decrease blood pressure, cholesterol levels, and triglyceride levels. Pets can help manage loneliness and depression by giving us companionship.
Answer:
Yes,just yes no explanationWhich of the following is not a concern associated with fossil fuel dependence?
A. global warming
B. rising prices
C. increased competition
D.increased development
Please select the best answer from the choices provided
Answers
Answer:
D. increased development
Explanation:
I compared answers with others and found out d is correct. trust me :)
PLEASE HELP!!!! How do you think cell phones affect attention in class? Describe an experiment you could perform to test your hypothesis. Include your hypothesis, operational definitions of your independent and dependent variables, who your participants would be, and how you would randomly assign them to experimental or control groups.
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Which of the following is a subsystem of an organism? Please explain and I give you 5 stars.
A.cell
B.organ system
C.tissue
D.all of the above
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Answer:
D
Explanation:
In multicellular organisms, the body is a system of multiple, interacting subsystems. Subsystems are groups of cells that work together to form tissues. Interactions are limited to the circulatory, excretory, digestive, respiratory, muscular, and nervous systems.
Which of the following correctly describes the arrangement of the phospholipids in the lipid bilayer of the cell membrane? *
Phospholipids line up head to head, so the phosphate heads are separated from water.
Phospholipids line up head to tail, because opposites attract.
Phospholipids line up tail to tail, so the fatty acid tails are separated from water.
Phospholipids line up with no pattern, because they're molecules which move randomly.
Answers
Answer:
Two layers of phospholipids where the outer layer has the hydrophilic heads facing toward the outside of the cell and the inner layer have the hydrophobic tails facing toward the inside of the cell.
please help will mark brainliest
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They overgrazed on the parks vegetation and grasses.
Question 2 of 10
What is the term for the condition of the atmosphere in a given area at a
given time?
A Weather
B. Latitude
C Climate
D. Altitude
SUBMIT
Need ASAP
Answers
Answer:
A .Weather
Explanation:
The state of atmosphere over an area at any point of time is known as weather. It is the state of the atmosphere over short periods of time. ... Precipitation, humidity, temperature, pressure, cloudiness, and wind are the basic atmospheric conditions that make up the weather of a region.
