Question

instructions
read the question carefully and select the best answer.
the following passage (paragraph 9) adds to the development of the entire article mainly by
technically, this delivers a lot of energy into the earth, but its spread out over a large enough area that it doesnt do much more than leave footprints in a lot of gardens. a slight pulse of pressure spreads through the north american continental crust and dissipates with little effect. the sound of all those feet hitting the ground creates a loud, drawn - out roar which lasts many seconds.
a. explaining why all the people landing at the same time has little effect
b. suggesting that the people are all jumping in gardens
c. describing the sights and sounds that accompany such a massive, coordinated jump
d. suggesting that the jump would have had a greater effect if the people had gathered more closely together

Explanation:

The passage explains that the large spread-out area of the jump's energy across the continental crust is why it has little effect, directly matching option A. The other options are not supported: the passage does not mention coordinated jumping in gardens, describe accompanying sights/sounds, or suggest a greater effect from closely gathered people.

Answer:

A. explaining why all the people landing at the same time has little effect