people remember a list of words better if they study and recall words in the same environment (like studying under water and recalling under
water) than in different environments (like studying under water and recalling on land). this result supports the idea of

the answer would be knowledge about cars!

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.

the answer is definitely a