Which of these best describes fossils ?

A .nonexistent

B. Easily formed

C. Important and rare

D.common and unhelpful

Answers

Answer 1

Answer:

C

Explanation:

Answer 2
The answer is c :).

Related Questions

Asian carp are fish that were imported into the United States to be raised in captivity as a food source. The carp can grow to 100 pounds and feed on many types of small fish. Over time, the carp escaped into the wild and now exist in several river systems. It has no natural predators and outcompetes native species for resources. What will most likely occur as a result?
a.The genetic diversity and the biodiversity of the ecosystem will increase.
b.The genetic diversity and the biodiversity of the ecosystem will decrease.
c.The genetic diversity will increase and the biodiversity of the ecosystem will decrease
d.The genetic diversity will decrease and the biodiversity of the ecosystem will increase

Answers

Answer:

Try B

Explanation:

If the fish are the only thing that can survive, There will eventually be no diversity

Answer:

b

Explanation:

guess

since they have no predators

they would increase in population

then

they would take up of resources of others

What 3 ions does a muscle have to be missing to create muscle fatigue?

Answers

Answer:

nerves, muscle tissue,

*In addition to the bacterial, virus, fungus, some microorganisms live under the sea*what are they?

Answers

A microorganism (or microbe) is any microscopic living organism or virus, that is too small to see with the unaided human eye without magnification. Microorganisms are very diverse. They can be single-celled or multicellular and include bacteria, archaea, viruses and most protozoa, as well as some fungi, algae, and animals, such as rotifers and copepods. Many macroscopic animals and plants have microscopic juvenile stages. Some microbiologists also classify biologically active entities such as viruses and viroids as microorganisms, but others consider these as non-living.

Jupiter Saturn Uranus and Neptune are _______ .

Answers

Answer:

Are the gas planets

Explanation:

The outer planets are called the jovian planets, meaning huge gas giant. These planets in order are Jupiter, Saturn, Uranus, and Neptune. Pluto comes

Several people have to take an ill family member to the doctor to be diagnosed and treated for sickness. Which disease can be treated by taking antibiotics?


a.panic attacks, caused by stress


b. ringworm, caused by a fungus


c. measles, caused by the Paramyxovirus


d. strep throat, caused by Streptococcu s bacteria

Answers

d, because it would get rid of the bacteria
D is correct .................

describe physical or mental disability of Down syndrome

Answers

Answer:

It is usually associated with physical growth delays, mild to moderate intellectual disability, and characteristic facial features. The average IQ of a young adult with Down syndrome is 50, equivalent to the mental ability of an eight- or nine-year-old child, but this can vary widely.

Symptoms: Delayed physical growth, characteristic facial features, mild to moderate i...

Other names: Down's syndrome, Down's, trisomy 21

Causes: Third copy of chromosome 21

Risk factors: Older age of mother, prior affected child

Explanation:

Hope it helps

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According to the diagram, during the last 40 million years, the structure of the horse’s foot has



lost its toes _


become smaller


grown toes


remained the same size

Answers

Answer:

gotten smaller

Explanation:

True or false: With enough changes in a gene and enough time, two different species can form from one species if a physical barrier separates them

Answers

the answer is false:)

Charles Keeling's work at the National Oceanic and Atmospheric Administration (NOAA) Mauna Loa Observatory
paved the way to understanding how human activities can lead to global warming.
Which greenhouse gas did Charles Keeling measure at the observatory?
A)
carbon monoxide
B)
methane
C)
nitrous oxide
D)
carbon dioxide

Answers

Answer:

D) carbon dioxide

Explanation:

Carbon dioxide (CO2) is the most important greenhouse gas which is known to absorb heat that would otherwise be lost to space. It has been shown that CO2 causes approximately 80% of global warming. Different human activities, but especially the burning of fossil fuels, are the main cause of global warming. It has been estimated that 40 billion metric tons of CO2 produced by human activities are being discharged into the atmosphere annually. Other human activities associated with global warming by increasing the concentration of CO2 in the atmosphere include deforestation and cement production.

Los hidrocarburos se forman con la Unión de los elementos carbono e hidrógeno hay dos grandes grupos que son:

Answers

Answer:

Alcanos, alquenos y alquinos.

Explicación:

Los hidrocarburos se forman con la unión de los elementos carbono e hidrógeno, hay tres grandes grupos de hidrocarburos que son alcanos, alquenos y alquinos. Estos hidrocarburos se dividen en grupos según el tipo de enlace. Los alcanos son los hidrocarburos que contienen enlaces simples entre átomos de carbono, los alquenos tienen un doble enlace entre átomos de carbono, mientras que los alquinos contienen un triple enlace carbono-carbono.

____________ is the process in which action potentials in the nerve fiber lead to action potentials in the muscle fiber.There is then a rapid fluctuation in membrane voltage at the motor end plate, called the end-plate potential.Areas of the sarcolemma near the motor plate have gates that open, moving ions, which causes the ____________ potential that excites the muscle fiber.The process begins with a nerve signal stimulating a voltage-gated ____________ ion channel to open, allowing the ions to enter the axon terminal.The ions stimulate the release of ____________ into the synaptic cleft.

Answers

Answer:

Excitation is the process in which action potentials in the nerve fiber lead to action potentials in the muscle fiber. There is then a rapid fluctuation in membrane voltage at the motor end plate, called the end-plate potential. Areas of the sarcolemma near the motor plate have gates that open, moving ions, which causes the action potential that excites the muscle fiber. The process begins with a nerve signal stimulating a voltage-gated calcium ion channel to open, allowing the ions to enter the axon terminal. The ions stimulate the release of acetylcholine into the synaptic cleft.

contains the ovary, which contains the ovules where the
cells are
The
produced.

Answers

Answer:

Flowers not only look pretty but, in fact, are important in making seeds. Flowers have some basic parts. The female part is the pistil. The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style. The style leads to the ovary that contains the female egg cells called ovules.

two of the four principal classes of organic compounds are proteins and nucleic acids. what is the relationship between proteins and nucleic acids?

Answers

Answer:

Nucleic acids contain the genetic information to make proteins.


Using the Karyotype above, what chromosome has an error?
1
21
X
Y

Answers

Answer:

21

Explanation:

there are supposed to be 2 chromosomes, not 3. This person has down syndrome.

(ii)
Which process transfers energy from organisms at one stage in a food chain
to organisms at the next?
Tick the correct box.
reproduction
feeding
movement
photosynthesis
1 mark

Answers

Answer:

feeding

Explanation:

when an organism eats another, it gets energy from it. That energy is passed along the food chain

The process by which energy is transferred from organisms at one stage in a food chain to organisms at the next is by feeding, which is present in the second option, as through the eating process and the predator-prey relationship, energies pass.

What is the significance of the food chain and the energy transfer?

The food chain in nature is made up of many trophic levels, where one trophic level animal preys on other animals or plants and obtains food from them, so when the animal is eaten by other animals, the energy content passes from one to another, and the energy content from plants continues to decrease to the topmost trophic levels.

Hence, the process by which energy is transferred from organisms at one stage in a food chain to organisms at the next is by feeding, which is present in the second option, as through the eating process and the predator-prey relationship, energies pass.

Learn more about the food chain and energy here.

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Plants are organized into cells, tissues, organs and organ systems just like animals.
A. True

B. False

Answers

Answer:

A. True

Explanation:

Hope it helps you in your learning process

EASY POINTS‼️‼️‼️


How can the history of Mount Rainier's eruptions help you decide whether hiking around Mount Rainier is safe?

Answers

By calculating eruptions throughout history you can get an estimate of how often the mountain erupts, and plan accordingly.

The history of Mount Rainier's eruptions can help you decide whether hiking around Mount Rainier is safe by providing information about the volcano's past activity, eruption patterns, and potential hazards.

The history of Mount Rainier's eruptions provides valuable insights into the volcano's behavior and can help assess the safety of hiking around the area. By studying the volcano's eruption history, scientists and authorities can gather data on the frequency, magnitude, and types of eruptions that have occurred in the past.

This information is crucial for understanding the potential hazards associated with the volcano. For example, if Mount Rainier has a history of frequent and large explosive eruptions, it may indicate a higher level of risk for hikers due to the potential for ashfall, pyroclastic flows, or lahars (volcanic mudflows) that can pose dangers to human life.

Additionally, analyzing the timing and recurrence intervals of past eruptions can help estimate the likelihood of future eruptions. If the volcano has been relatively inactive for an extended period, it may suggest a lower immediate risk for hikers. However, it is essential to consider the potential for future eruptions and monitor any signs of volcanic unrest or changes in activity.

Furthermore, studying the extent and distribution of past volcanic deposits, such as lava flows or ash layers, can help identify areas that are more prone to hazards. This information can be used to establish exclusion zones or restrict access to certain hiking trails that may be closer to potential hazards.

Ultimately, by considering the history of Mount Rainier's eruptions and the associated hazards, authorities can make informed decisions regarding the safety of hiking around the volcano. It is crucial for hikers to stay updated with the latest information from local authorities, volcanic monitoring agencies, and park management to make responsible choices and ensure their safety when exploring the area.

To learn more about eruptions, here

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This investment is best considered high risk with the potential for a low return. high risk with the potential for a high return. low risk with the potential for a low return. low risk with the potential for a high return.

Answers

Answer: b high risk with the potential for a high return

Explanation:

Edge

Answer:

b

Explanation:

Please help me. no links i report you

Answers

Answer:

Option b

Explanation:

An unbalanced force moving everyone in Daniel and Maria's direction

This is leaving an area of birth or activity for another area. Movement causes a change in

population. Leaving is analogous to emigration.

Answers

Answer:

Yes.

Explanation:

Yes, Leaving is analogous to emigration because in emigration the person leaves the country permanently and settles in another country for the job. There are many reasons of emigration of a person such as job opportunities in another country, warfare in the country etc. In emigration, the person leaves the country permanently and settles in another country to made his social status better in the society. There are good job opportunities that force people to leave their country.

how do some cells beomce brain cells and others become skin cells, when the dna in all the cells is exactly the same. In other words, if the instructions are exactly the same, how does one become a brain cell and another a skin cell?

Answers

Answer:

In other words, if the instructions are exactly the same, how does one cell become a brain cell and another a skin cell? it has the ability to turn off genes. The cell grows, makes a copy of its DNA, and prepares to divide into two cells.

Explanation:

hope this helps you.  

Answer:

Red blood cells make the different types of dna in the skin to convert and mutate the other skin cells

Explanation:

I had this question

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Answers

Answer:

B, i beleive

Explanation:

tried my best

The answer to you question is option B

In the past, Native American Indians buried dead fish along with corn seeds. This technique was used because the decomposing dead fish would:

Answers

Answer:

Give nutrients for the corn seed to grow

Explanation:

The native Americans were using fish as fertilizers. Since fish fertilizer enhances soil quality, it also enhances soil productivity by supplying the essential nutrients for crop growth Fish fertilizers have blister nitrogen as well as the essential nutrients phosphorus as well as potassium. 

This technique became popular when Native Americans taught the colonists such techniques of surviving in wilderness.

Why are the phosphorous and sulfur cycles considered to be sedimentary cycles? Use the word reservoir in your answer.

Answers

Answer:

The phosphorus cycle:  is a sedimentary cycle (unlike carbon, oxygen, and nitrogen),Phosphorus enters the biosphere almost entirely from the soil through absorption by plant roots.

The sulfur cycle is the collection of processes by which sulfur moves between rocks, waterways

Explanation:

Sedimentary cycles are the ones in which the reservoir is the Earth's crust.

Hope this helps!!

A scientist discovers a fossil of an ancient reptile.the reptile species appears in the fossil record .what model of evolution does this represent

Answers

Answer:

Fossils are the remains of plants, animals, fungi, bacteria, and ... Studying oyster fossils can help paleontologists discover how long ... Using fossil evidence, vertebrate paleontologists deduced that pterosaurs, a group of flying reptiles, ... Some ancient scientists did understand what fossils

Explanation:

3. Why do you think using a
pyramid shape is a good model
to show how energy moves
through an ecosystem?
TOUR
I

Answers

The shape of the energy pyramid shows that there is enough biomass energy contained in the primary producers at the bottom to support the predators at the top, even though energy is lost at each level.

Answer: An energy pyramid shows the flow of energy at each trophic level in an ecosystem. A pyramid shape is used because energy is lost at each trophic level when organisms use it up

Explanation:

will give brainlist
3 specific human impacts on the biosphere.

Answers

humans impact the physical environment, therefore these include overpopulation, pollution, and defrosted rations , these changes are triggered climate change, poor air quality etc,

Which of the following is a primary air pollutant?
smog
photochemical smog
ozone
carbon dioxide

Answers

Smogis correct ... ;))))))

Carbon monoxide is the primary air pollutant.

Primary air pollutants:

Pollutants which are formed and emitted directly from particular sources are Primary air pollutants.  

Examples are particulates, carbon monoxide, nitrogen oxide, and sulfur oxide.

Secondary air pollutants:

Pollutants which are  formed in the lower atmosphere by chemical reactions.

example : smog

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After a volcano erupts and destroys an ecosystem, a few organisms are able to begin growing from the decaying organic matter left behind. What do we call those organisms that are able to grow in little or no soil that first appear?

Answers

Answer:Pioneer species

Explanation: Pioneer species are the first species to live in an area after it has been destroyed as mentioned.

I need help with this pls is for today!!!!

DONT PUT THE LINK THAT EVERYONE IS PUTTING PLEASE

Answers

the answer for your question is inversion
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