The answer is C because it is an example of evolution or adaption.
This jet stream—the one that forms at the polar front—affects weather in the United States. ... This shift occurs because the entire hemisphere is cooler, so the boundary between the cold polar air and the warm southern air shifts south. As a result, the jet stream shifts toward the south in winter.
Both humans and monkeys have this. A VERY long time ago Humans had very small "strings" of skin. This skin has evolved over time and now there is a bone left. Monkeys are technically un-evolved humans. Good thing they stuck around.
Answer:
it is known as big bang reproduction
If proven to be true, a hypothesis can become a theory, a theorem, or a law. Since her hypothesis is proven to be true, it is no longer a hypothesis.