The science of using tree righs to determine absolute age is called?

A3-year-old child with nephrotic syndrome has been receiving prednisone for 1 week. the nurse reviews the child's progress record and determines that the medication has been effective. what information supports this conclusion? select all that apply.

The transport tubes from food came down the plant are called?

Adistinctive characteristic of mammals that is not observed in other vertebrates is