Question

Which of the following is one main use of satellites?

A. Launching deep space-expeditions
B. Controlling the whether
C. Observing earth's surface
D. Preventing ozone depletion

Answer 1

deep space-expeditions use probes

weather can not yet be controlled (as far as i know)

Observing earth's surface often uses satellites

a bit hard to prevent ozone depletion using a computer which is what satellites are

Answer 2

C. Observing earth's surface