Problem: One year,due to extreme use of fossil fuels, an astronomical amount of carbon dioxide is released into the atmosphere due to burning fossil fuels. Many places become much hotter than usual. Another study is done and it is found that the Earths temperature has increased by 4 degrees on average. Given that even more carbon dioxide is added to the atmosphere, will the temperature increase or decrease?

A: increase

Problem: Leaf farm and Plum farm provided the neighboring counties with quality produce year-round. plum farm used conventional farming methods such as fertilizer and pesticides, while Leaf farm used alternative eco-friendly methods only. Which farm caused less fertilizer to reach the ponds?

A: Leaf

Problem: Two farmers tried different methods of growing their crops. Nate used pesticides, while his buddy Don used bacterium that produces a toxin instead. Don was happy with the results. Which farmer used a an insecticidal spray produced from bacterial?

A: Don

Problem: Two groups of runners attended a 5k event downtown. Brown group warmed up properly before the race, but Red group did no such thing and suffered the consequences. Which group didn't do a slow increase in the intensity of a physical activity?

A:
Red