Some athletes use mental practice to try to improve performance. in one study, a group of people threw darts 24 times at a target. next, half of the group mentally practiced throwing 24 darts. finally, the entire group threw 24 more darts. what were the results?

48 darts were thrown in all.

Explanation:

This is because the other 24 were only thrown in their heads, not literally.

in about winter like late november to january

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.