Martin is moving and he needs to make a ramp so he can load heavy furniture into his truck. He has a bad back, so he wants to use the least effort possible. Before he cuts the wood, he is trying to decide how long the ramp should be so he can move the heavy furniture easily. Should martin build a long or short ramp?
Ans: long

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 didn't use a an insecticidal spray that is in an inactive state and requires digestion by an insect to become active?
Ans: Nate

Nicholas works in pest control, and needs to have a steady supply of nitrogen gas for his tools. He always keeps a closed container of nitrogen gas in his freezer, where the temperature is very low. Nicholas's neighbor, Justin, likes to grill in his backyard. Justin, therefore, always keeps a closed container of propane gas outside, where the temperature is high. Molecules of which gas will collide against the walls of their respective container with more force?
Ans: propane gas

Mike grew tomatoes on his parcel of land and so did John. Mike's attempt was very successful, because he adjusted the soil's pH to a viable level for growing vegetables, and John didn't. Both parcels had soils with lots of sodium carbonate in them. John's experiment failed. Which soil had more unfavorable physico-chemical properties?
Ans: John's