Explain the observations made by charles darwin when he visited the finches and tortoise at the galápagos islands

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

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