C. When the air cannot support any more water vapor
Answer:
DNA and proteins
Explanation:
By comparing these specific molecules in two different species, scientists can determine how closely related the species are.
Question: How does oceanic crust move along mid ocean ridges
Answer: Oceanic crust slowly moves away from mid-ocean ridges and sites of seafloor spreading
Explanation: as a result it becomes cooler, more dense, and more thick.
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(jacemorris04)
They both involve topics related to the natural world, and are both based on empirical evidence. <span />