PHYSIOLOGY:
What can happen if the endocrine system malfunctions?

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Are the earth's ocean floor and continents the same age geologically? why or why not?

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