WHAT IS PERCENT DO THE PERCENT CHANT! SPREAD THIS

Water pollution cannot only affect the earth's water supply but it can also affect the soil true or false

What are hormones? a. they are minerals needed for proper bone formation. b. they are the parts of the body targeted by endocrine glands. c. they are substances needed for muscle and nerve activity. d. they are substances released by endocrine glands.

Viruses can cause the following, check all that apply. a. sore throat b. measles c. ear infection d. flu e. chicken pox