All of the following are ways in which electromagnetic waves are measured except

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000

Describe characteristics of a good respitory surface