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DiKsa [7]
3 years ago
8

WILL MARK BRAINLIEST!!

Biology
2 answers:
vladimir1956 [14]3 years ago
8 0

Answer:

D

Explanation:

anygoal [31]3 years ago
4 0

Answer:

d

Explanation:

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What is the predominant hypothesis for why animals only appeared in the fossil record about 3 billion years after life originate
Lunna [17]

The predominant hypothesis for why the animals needed some 3 billion years to evolve after the life first appeared on the planet is that the conditions were not right for them to appear.

The life on Earth has appeared much earlier that what we normally assume, and also it has not been evolving very quickly, but instead it has been a very slow and gradual process. The reason for that is that the living conditions on the Earth were much different than what are they now, or anytime from the Cambrian period until the present.

The surface was still pretty hot, and there was intense volcanic activity. The composition of the atmosphere was not suitable for animals to appear at all, and in fact it would have been toxic for them. The water too had chemicals in it that were not providing the right conditions for  animals to evolve. It was only after the plants started to appear and managed to make lot of changes in the water, atmosphere, and land, than the animals were able to evolve and develop.

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4 years ago
Which organisms release carbon dioxide during cellular respiration?
Olegator [25]
The answer would be both producers and consumers, so C. 

5 0
3 years ago
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This system has the highest species diversity of all ecosystems.
kupik [55]

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Wetlands C

Explanation:

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3 years ago
Please help Shrubs, pine trees, and kudzu are all plants that are common in southern states. What is another characteristic thes
I am Lyosha [343]

the third choice is the one you should pick

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3 years ago
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Which is a nonrenewable resource?<br> O soil<br> Ofish<br> wood<br> coal
Ray Of Light [21]

Answer:

The answer here is coal and soil.

Explanation:

Since coal takes millions of years to form, it is considered nonrenewable. Soil is a finite resource on Earth and no more of it can be made, so it is also considered non-renewable. Fish and wood are both renewable, as they can reproduce to make more of themselves.

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3 years ago
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