Which step in the stp process develops descriptions of the different segments

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 is the starting point in replication called

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.