which human activity is correctly paired with the greenhouse gas that it increases?\n○ rice cultivation and…

which human activity is correctly paired with the greenhouse gas that it increases?\n○ rice cultivation and water vapor\n○ landfilling and carbon dioxide\n○ deforestation and methane\n○ sewage treatment and nitrous oxide

which human activity is correctly paired with the greenhouse gas that it increases?\n○ rice cultivation and water vapor\n○ landfilling and carbon dioxide\n○ deforestation and methane\n○ sewage treatment and nitrous oxide

Answer

Brief Explanations:

  • For "rice cultivation and water vapor": Rice cultivation mainly increases methane (from anaerobic decomposition in paddy fields), not water vapor. So this is incorrect.
  • For "landfilling and carbon dioxide": Landfills produce mainly methane (from decomposing organic matter), not carbon dioxide as the primary greenhouse gas increase. So this is incorrect.
  • For "deforestation and methane": Deforestation leads to increased carbon dioxide (due to less carbon sequestration and more decomposition of organic matter, and also affects the carbon cycle), not methane as the main associated greenhouse gas. So this is incorrect.
  • For "sewage treatment and nitrous oxide": During sewage treatment, microbial processes can produce nitrous oxide, which is a greenhouse gas. This pairing is correct.

Answer:

D. sewage treatment and nitrous oxide