Which of the following best describes why longitudinal waves cannot travel in space?

a) longitudinal waves can travel without a medium

b) gravity interferes with the travel of longitudinal waves in space

c) there are too few air particles in space for longitudinal waves to travel

d) space contains too many particles that interfere with the travel of longitudinal waves

There are too few air particles in space for longitudinal waves to travel.

Explanation:

1) I took the test and it was correct.

2) Longitudinal waves need a medium to travel through and in space theres really nothing the wave can use for a medium.

The anthill is stated is fabricated and kept up by armies of specialist ants, who convey minor bits of earth and rocks in their mandibles and store them close to the exit of the province. 
The greater the hill of the ant colony dwelling place is and the more ground it covers implies it retains more sunlight based warmth. The state of the home underneath is hotter thus.