Respuesta :
Answer:
Explanation:
The top of the mesosphere, called the mesopause, is the coldest part of Earth's atmosphere, with temperatures averaging about minus 130 degrees F (minus 90 C). This layer is hard to study.
Answer:
Mesosphere
Explanation:
Because the mesosphere is as cold as -90 Celsius or, -130 Fahrenheit.
The air is much thinner (less dense) in the mesosphere.
