Though I'd only recommend an increase of handywork and skill, Out of the options above, i'd choose to use dull knives.
Answer: There is nothing reasonable that can be done to accommodate Jake’s eyesight.
Energy flows through an ecosystem through the food chains. smaller bugs are eaten by bigger bugs and bigger bugs are eaten by animals. etc. energy flows through each organism and light!
Endurance because he keeps moving at a pace he set for himself and even though he must be tired from all the stopping and running he still works hard and doesn't stop
Sit ups is probably the correct answer