State when and how often the american medical association recommends that females inspect their breasts

How do you date a sample of rock that you suspect as being one of the earliest on earth

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

What are 3 reasons that natural selection occurs