Q: What is at the top of the mesosphere?


Read this paragraph and choose the correct option from the provided answers:

At the top of the mesosphere is the mesopause. Temperatures here are colder than anywhere else in the atmosphere. They are as low as -100° C (-212° F)! Nowhere on Earth’s surface is that cold.

 Choices:

- Troposphere

- Stratosphere

- Mesosphere

- mesopause


A:
mesopause