Ozone depletion in the atmosphere has been caused by a. monoculture. b. cfcs. c. suburban sprawl. d. soil erosion.

Energy derived from hot rocks and fluids beneath the earth’s surface is

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Which of the follow describes a disadvantage secondary sources have compared to primary sources?