(Q).
Choose between "bushes" and "clear air". Question: Throwing a throwing spear through clear air feels smooth, while throwing it through bushes feels rough. The throwing spear doesn't get as hot when thrown through the (A) bushes (B) clear air
(A).
clear air

(Q).
Choose between "silk sheet" and "wool blanket". Question: Carol was rolling her ball on the bed. She noticed that the ball moved faster on the silk sheets than on the wool blanket. This is because silk has (A) more resistance (B) less resistance
(A).
wool blanket

(Q).
Choose between "socks" and "bare feet". Question: Jason tried going down the slide with bare feet but kept putting his feet down to stop himself. When he went with socks, he went much faster. This is due to the socks providing (A) less friction (B) more friction?
(A).
socks