(Q).
Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance. If Jim works hard and increases the strength of his muscles, his endurance becomes greater or smaller?
(A).
greater

(Q).
Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time. If Jim downgrades his computer to a less powerful model, what happens to the amount of work it can perform it can perform more work then before or it can perform less work then before?
(A).
it can perform less work then before

(Q).
Thicker wires offer less resistance. Chris is trying to rewire his home. He wants to install wiring that has the greatest resistance. He has two choice of wires. the first type of wire is 12 gauge. The second type of wire is thicker at 16 gauge. The wire that offers the most resistance will be the first type of wire or second type of wire?
(A).
second type of wire