Can a person with Rh-blood safely receive blood from either Rh+ or Rh-blood?

The tubes transporting minerals and water upward are called ?

Why do oceanic plates tend to subduction when colliding with a continental plate

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?