3 years ago

How have atmospheric carbon levels changed?

1 answer:

4 0

Answer:

Climate Change: Atmospheric Carbon Dioxide. The global average atmospheric carbon dioxide in 2018 was 407.4 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm. ... Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.

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Which describes two species interacting so closely that they are adapted to each other? 1 generalized evolution 2convergent evol

GuDViN [60]

Answer: Option 3 Coevolution

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Coevolution is a process in which two individuals reciprocally affect each other's evolution. In this process the interacting species exert selective pressures on each other thus, affecting their evolution. Due to this reciprocal adaption they become so close that the evolution of one species is affected by the other.

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Sirius B was an important star in ancient Egypt and was used to warn for floods on the Nile River. Is Sirius B brighter or dimme

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Hi! I believe the answer is B) Irregular.

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