16. Which of the below answers is NOT the most likely human activity causing global climate change?
a) Increase ocean clean-up to improve carbon dioxide absorption
b) Increase nitrous oxide and methane from fertilizers and manure in agriculture
c) Burning fossil fuel in industry and transportation
d) Deforestation for industry and agriculture
17. How does deforestation increase the warming of earth? Select the correct answer from below.
a) It increases the presence of methane in the atmosphere
b) It releases more oxygen into the atmosphere
c) It decreases the production of ozone in the atmosphere
d) It decreases the removal of carbon dioxide from the atmosphere