White blood cells help protect the body from infection and disease producing organisms. How might their functions relate to their life span.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.