Why do parts of the low latitude zone have warm to hot climates?

Question 4 options:

The lower the elevation, the higher the temperatures.

The Earth's atmosphere thins as altitude increases.

The Earth's poles receive continuous, indirect sunlight.

They receive direct rays from the sun year-round.

Answer is they receive direct rays from the sun year-round

They receive direct rays from the sun year-round.

Explanation:

answer; in the united states the plains include the great plains of the west and the tail grass prairie to the south of the great lakes extending east to the appalachian plateau