In an energy pyramid, the lowest level has: a) less energy than the top level. b) less energy than the second level. c) more energy than the top level. d) the same amount of energy as the second level.​

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

Match each medication with its description.

According to cell theory; which structures carry out the basic function of living things? a. atoms b. organs c. cells b. nuclei