Answer the following question given this paragraph: 

Stratus clouds occur low in the troposphere. They form in layers that spread horizontally and may cover the entire sky like a thick blanket. Stratus clouds that produce precipitation are called nimbostratus. The prefix nimbo- means “rain. ”.


Q: Where do stratus clouds occur in the troposphere?

 Choices:

- mid to high region

- high

- mid-region

- low

A:
low
