two blocks of ice, one four times as heavy as the other, are at rest on a frozen lake. a person pushes each block the same distance d. ignore friction and assume that an equal force f⃗ is exerted on each block.

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a

Which situation is the best example of opportunity cost? a country chooses to produce bananas instead of wheat. a country chooses to invest in manufacturing and agriculture. a country chooses to specialize in producing paper products. a country chooses to export all of its products.

Which of the following characteristics of the arctic rabbit is specifically an adaptation to living in the tundra? a. small size b. keen eyesight c. strong legs d. white fur