The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates
a. smog. b. drinking water. c. pesticides. d. acid rain
.

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit

Which areas of earth receive the most precipitation on average? a. tropics b. temperate zones c. regions near 30? n and s latitudes d. polar zones 1