Which cell process controls the way materials enter and leave the cell?

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Whats one way that rocks do not follow the typical rock cycle pathway?

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?