The destruction of tropical forests can affect the balance of gases in the Earth's atmosphere increasing carbon dioxide and decreasing oxygen.
What does deforestation cause in the air?Deforestation by fire contributes significantly to the increase in air pollution. The world today faces a series of environmental problems, the main ones being the deforestation of natural forests and air pollution, which causes the emission of CO2 (carbon dioxide) into the atmosphere.
With this information, we can conclude that the destruction of tropical forests can affect the balance of gases in the Earth's atmosphere increasing carbon dioxide and decreasing oxygen.
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Which three statements contain information about cats that is based on scientific knowledge rather than opinion?
Answer:
First claim '' cats are very smart animal''. Second claim '' cats make bonds with humans''
Sodium metal reacts whit hydrochloric acid to produce salt and hydrogen gas. What are the reactants in this chemical reaction
Answer:
Na (sodium) and HCl (hydrochloric acid)
Explanation:
The products are the salt and hydrogen gas
Whenever you see the word react it means those are the reactants (usually whatever compound comes before and after the word). Because they are reacting with each other.
Whenever they say "is produced" those are the products
Explain the phenomenon you observe in the diagram. Provide as many details as possible to your explanation
Answer:
reflection
Explanation:
this is what is seen on the mirror
what are end-product of digestion of starch,proteins and fats.
Answer:
proteins - amino acids
fats - fatty acids and glycerol
starch - glucose
I hope this information was of any use to you.
Answer:
can you fart on my face
Explanation:
plz
What was the purpose of Hardy and Weinberg´s work?
A) To learn where genetic information is stored
B) To count the total number of alleles in the world
C) To learn how to control the mating of organisms
D) To determine how allele frequency changes
Answer:
Is D
Explanation:
check picture so match the answer
Please answer as soon as possible
Answer:
1.sensory organs
4.evaporation
12.wire
Explain how temperature is important in ecosystems and the rationale for your choice in this section. Write down relevant notes regarding you design.
Temperature really can control our days. And what we can or able to do that day. For example, it's raining and it is super windy, and you wanted to go somewhere, in this case lets say the beach. It wouldn't be such a good idea.
Help will mark brainliest #7,8
Answer:
7. D
8. D
Explanation:
7. One of the most important functions of iron is the transportation of oxygen to the blood. Iron’s main purpose is to carry oxygen in the hemoglobin of red blood cells throughout your body so your cells can produce energy.
8. A network of tiny capillaries connects the arteries and veins. Though tiny, the capillaries are one of the most important parts of the circulatory system because it’s through them that nutrients and oxygen are delivered to the cells.
Los gatos tienen muchas opciones para comer como ratones, peces, cucarachas, etc. Por ejemplo: Planta -> Ave -> Gato -> ??? ¡¿Quién mata al gato para comérselo?! POR FAVOR ESPARA UN PROYECTO DEL ORIGEN DEL GATO
Answer:
Pumas, lobos y coyotes, águilas, serpientes, halcones, búhos y perros.
Explicación:
Pumas, lobos y coyotes, águilas, serpientes, halcones, búhos y perros son los animales que matan al gato y se alimentan de ellos. Estos organismos son los depredadores de los gatos y dependen del gato y de algunas otras especies para cumplir con su requerimiento de alimento. Algunos animales matan directamente al gato a través de sus dientes fuertes, mientras que otros matan al gato a través del veneno que está presente en su boca.
Los métodos hormonales son eficientes porque: * A: impiden la entrada de los espermatozoides C: Se inhibe (no se desarrolla) la ovulación B: El óvulo jamás se encuentra con el espermatozoide D: Los espermatozoides quedan atrapados y no llegan al óvulo
Answer: C: Se inhibe (no se desarrolla) la ovulación.
Explanation:
Los métodos anticonceptivos se utilizan prevenir el embarazo no deseado, evitando que el esperma fertilice a un óvulo. Hay distintos tipos, los cuales se clasifican en:
Anticonceptivos hormonales: Contienen hormonas, tales como estrógeno y progesterona, que previenen la ovulación (es decir, la liberación de óvulos de los ovarios). De esta manera, al no haber óvulo disponible, por mas que hayan espermatozoides, no va a ocurrir ninguna fecundación. El método mas conocido es la píldora o pastilla anticonceptiva. Anticonceptivos de barrera: Proveen una barrera física que impide la fecundación al impedir el encuentro entre el óvulo y el espermatozoide. Por ejemplo, el uso de preservativos o condones. En estos métodos, se impide la entrada de los espermatozoides, no se encuentran con el óvulo y la esperma queda atrapada dentro del condón. Anticonceptivos permanentes: Proveen un método permanente como por ejemplo el Dispositivo Intrauterino que se coloca en el tracto uterino con una vida media de meses o años y posee un efecto espermicida que mata a los espermatozoides (por lo que no lograrán encontrar un óvulo). Otro ejemplo es la vasectomía, la cual es una cirugía que corta los conductos deferentes que transportan a los espermatozoides por lo que ya no pueden salir de los testículos para producir la fecundación (quedan atrapados dentro de los testículos, no entran al tracto uterino y no encuentran al óvulo)Tanto los métodos de barrera como los permanentes, no inhiben la ovulación aunque si impiden que el óvulo se encuentre con el espermatozoide. Entonces, los métodos hormonales son los únicos que logran inhibir la ovulación. Las píldoras que poseen las hormonas previamente mencionadas pero fabricadas sintéticamente. Las mismas mimetizan el efecto de las hormonas naturales producidas por el cuerpo, alterando el ciclo menstrual regular y así evitan el embarazo ya que no habrá óvulo disponible para fecundar. Además, también pueden alterarla mucosidad en el cuello del útero para que los espermatozoides no pueden atravesarlo y llegar al óvulo. De todas maneras, el objetivo principal y mas importante de los métodos hormonales es bloquear la ovulación.
what happens to one's body when they starve
there hungry
...................
Answer:
The body lacks a proper circulation of oxygenated blood, hence abnormality in respiration.
Part B Which shape of molecules do scientists think may be important for the development of life and why?
Answer:
Molecular shape (the shape that a single molecule has) is important in determining how the molecule interacts and reacts with other molecules. The Molecular shape also influences the boiling point and melting point of molecules. If all molecules were linear then life as we know it would not exist.
Answer:
Scientists think that branched molecules may be important for the development of life. That’s because amino acids have branched molecules, and they are the building blocks of proteins
Explanation:
plato
Anaerobic prokaryotes use what
to obtain energy.
Answer:
they use anaerobic respiration in the absence of oxygen
10. Michelle and David have been dating for almost two years. One night they
decide to take it further than kissing. Michelle asks if he has a condom. He says
no and that he will just pull out before he ejaculates so she won't get pregnant.
This is a really good method to use if you do not have another contraceptive
available. *
True or false?
What would happen if there were no condensation stage in the water cycle?
answer : there would be no rain.
Which of the following is TRUE about the movement of earth's plates?
A. They do not move because they sit on a layer of solid rock
B. They move along with the layer of slightly softened rock below them
C. They move by floating on a layer of completely melted rock below them
D. They do not move until the solid rock layer beneath them temporarily melts and moves
Answer:
c
Explanation:
the tectonic plates or the crust of the earth sit on molten rock moving across the planet with causes the plates to move causing things like earthquakes and volcanos
Movement of Earth's plate can be due to many reasons and can cause many disasters. They move along with the layer of slightly softened rock below them
What is the 3 causes of this movement?Earth's plates move due to the intense heat in the Earth's core. This causes the movement of soften rock in the mantle layer.
It moves in a convection cell pattern that forms by rising of warm, cooling and then sinking down of material.
The Earth's plates move by floating on a layer of completely melted rock below them.
Thus, the correct option is B.
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Why are amino acids called “amino acids?”
They are subunits of macromolecules that act as both strong acids and strong bases in solution.
They are single molecules that contain both an amine group and a carboxylic acid group.
They are acidic and were first discovered by a Russian researcher by the name of Aminov.
Answer:
The name “amino acid” is derived from the amino group and carboxyl-acid-group in their basic structure.
Explanation:
The diagram below represents the time a cell spends in the two main phases
of the cell cycle. Which section of the diagram represents the phase during
which the cell divides, and what is this phase called?
A. Yellow area: Interphase
B. Yellow area: M phase
C. Blue area: M phase
0 D. Blue area: Interphase
Answer:
The yellow ares is m-phase
Explanation:
This is where the cell divides into two nucleus.
The blue area in the diagram represents the phase during which the cell divides, and this phase is called the M phase or mitotic phase. Therefore, option C is the correct.
What is mitotic phase?The mitotic phase, also known as the M phase, is the phase of the cell cycle during which a single cell divides into two identical daughter cells. This process of cell division is essential for growth, development, and repair of tissues in multicellular organisms.
The M phase consists of four stages: prophase, metaphase, anaphase, and telophase. During these stages, the replicated chromosomes condense and align at the metaphase plate, separate and move towards opposite poles of the cell during anaphase, and then decondense and form two separate nuclei during telophase.
The M phase is tightly regulated by a complex network of checkpoint pathways that ensure the accurate segregation of chromosomes and prevent the formation of abnormal cells, which can lead to diseases such as cancer.
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Which example of a food production method is sustainable?
A. Planting a monoculture crop over large areas of land
B. Using no-till farming practices to decrease erosion
C. Using enough pesticides to reduce bee populations
D. Irrigating soil until it becomes waterlogged
In chickens, FF produces extreme frizzle (very brittle and curly feathers), Ff has mild frizzle and ff has normal feathers. An extreme frizzle hen is mated with a normal rooster. What will the chickens look like? What will their genotype be?
Cross (parents):
Offspring will look like:
All of the genotypes will be
Answer:
if pure FF and pure ff marry, phenotypic ratio is all Ff or half-half
mild-ruffled feathers for all the chicks
Explanation:
makes sense
A dependent variable is:
A. Changed to test a hypothesis.
B. Measured to show the effect of a change.
C. Kep the same to make an experiment a fair test.
C
D. Collected to draw conclusions.
Answer:
B. Measured to show the effect of a change.
Answer:
B
Explanation:
Measured to show the effect of a change
what can scientists learn from radiometric dating?
A- how long ago a plant or animal lived
B- how much time it took a fossil to form
C- where a plant or animal lived
D- whether a fossil has modern relatives
Answer:
Radiometric dating is used by geologists to determine the age of rocks and the ages of fossils found within them.
Answer:
It is how long ago a plant or animal lived or answer A.
Explanation:The more of certain item in a cell such as carbon or something like that each one is like I don't know like 100,000 years ago hope this helps.
Answer the next five questions based on the following information. You are studying a particular type of spider and have identified four traits that follow simple mendelian genetics. The B gene governs body color and black body color is dominant to brown. The D gene governs whether or not the spider is poisonous, and poisonous is dominant to non-poisonous. The E gene governs eye color and black eyes are dominant to red eyes. The H gene governs hair type and hairy is dominant to hairless. Indicate your answer numerically not alphabetically. For instance, answer "2" not "two." For each answer that is not a whole number, give your answer as a fraction reduced to the lowest possible whole numbers. For instance, 3/9 would be reduced to 1/3.
How many different types of gametes can be formed by a spider that has the genotype BbDdEeHH?
If you chose a single gamete at random from a spider that has the genotype BbDdEeHh, what is the probability that the gamete would have the genotype BdEh?
You mate a BbDDEeHh spider with a BbDdEEHh spider. What is the probability that one randomly chosen offspring will have the genotype BbDdEEHH?
Answer:
a. 81/256.
b. 9/256.
b. 9 / 256.
Explanation:
The given traits in the question follow the Mendelian character. The cross between the body color where B is responsible for black color and b is responsible for brown color is as follows: Bb × Bb results in the 3/4 black color ( BB, Bb, Bb) and 1/4 brown color progeny (bb). The cross between the poisonous and nonpoisonous trait where D is responsible for poisonous trait and d is responsible for nonpoisonous is as follows: Dd × Dd results in the 3/4 poisonous trait (DD, Dd, Dd) and 1/4 nonpoisonous (dd). The cross between the eye color where E is responsible for black color and e is responsible for red color is as follows: Ee × Ee results in the 3/4 black color ( EE, Ee, Ee) and 1/4 red color progeny (ee). The cross between the hair trait where H is responsible for hairy and h is responsible for hairless is as follows: Hh × Hh results in the 3/4 hairy (HH, Hh, Hh) and 1/4 hairless (hh).
a. The cross between BbDdEeHh spider with a BbDdEeHh spider results in the 3/4black body, 3/4 black eyes, 3/4, hairy, and 3/4 poisonous progeny. Their probability is 3/4× 3/4× 3/4× 3/4 = 81/ 256.
b. The cross between BbDdEeHh spider with a BbDdEeHh spider results in the 3/4black body, 3/4 black eyes 1/4 hairless, and 1/4 nonpoisonous progeny. Their probability is 3/4× 3/4×1/4 3/4×1/4 = 9/256.
Thus, the answer is a. 81/256.
Differences in the DNA between two individuals is known as?
A. Snips
B Cuts
C. Crisps
D. Trips
Answer:
A
Explanation:
Snips is also called polymorphism in Dna which means difference in genetic among a population..
This summer, you are returning to the research station in Costa Rica to follow up on the population of butterflies you have been studying. You are disappointed to find that there are fewer this year than last. In fact, at dinner your friends studying frogs and birds are complaining about the same thing. What type of influence do you suspect
Answer:
it is likely that there was an environmental disturbance that affected the population density of the species.
Explanation:
All animals have their survival and reproduction capacity directly linked to environmental quality. This is because these animals take from the environment all the resources needed to live and develop. In this case, when the environment is balanced and has the necessary resources for life, animals can survive longer and develop well, being able to reproduce, generating more animals that increase the population density of their species. However, when this environment is disturbed, the animals' survival is threatened, even failing to reproduce. This lowers population density.
In the case presented in the question above, it is likely that populations of butterflies, frogs and birds are decreasing due to environmental disturbances.
Why is a female skeleton smaller, and not as wide a male skeleton?
Can someone please explain?
Answer:
A male's skeleton is usually thicker, rougher and appears more bumpy. ○ Due to the fact that males have larger muscles and therefore their skeletons require stronger attachment sites. Women who have borne children have scars on the surface of their pelvis. The femur (thigh bone) of a male is thicker than a females.
Which type of bond forms between water molecules?
Answer:
Hydrogen Bonds
Explanation:
✦ ✦ ✦ Beep Boop - Blu Bot! At Your Service! Scanning Question . . .
Code: Green! Letters and Variables Received! ✦ ✦ ✦
--------------------------------------------------------------------------------------------------------------Question: Which type of bond forms between water molecules?
--------------------------------------------------------------------------------------------------------------Answer: Water is polar, and the dipole bond it forms is a hydrogen bond based on the two hydrogen atoms in the molecule. Hydrogen bonds are especially strong because the hydrogen atom in molecules such as water is a small, naked proton with no inner electron shell.
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Label the lettered phases of the cell cycle according to the diagram in Figure. 1-1.
Figure 1-1
A =
B =
C =
D =
Answer:
Explanation:
A = G1 phase (Growth phase)
B = S phase ( Growth and DNA Synthesis)
C = G2 phase (Growth and final preparations for division)
D = Mitotic phase (Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis)
wich best describes how mRNA is used by a cell
Explanation:
where are options??????????????
?Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein ...
Answer: Pretty sure its option D that is the correct answer. Transcription of DNA results in the formation of mRNA. A polypeptide chain is formed when codon sequences of DNA reach the ribosome, delivering DNA sequences to the ribosome.
Explanation:
I can't see the choices but I've done this activity before and that's how I know
what do you mean by the chromatin fibres ?
Hey buddy I am here to help!
Chromatin fibers are coiled and condensed to form chromosomes. Chromatin makes it possible for a number of cell processes to occur including DNA replication, transcription, DNA repair, genetic recombination, and cell division.
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