What is a synonym for contention?

A. Assertion

B. Question

C. Guess

D. Thought

Blood, made up of red and white blood cells, work together to form

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which of these outcomes is a negative impact of postindustrial societies on the environment? a. nomadic ways b. overpopulation c. overgrazing d. resource renewal