What does a weather balloon do? Check all that apply

Answer: A weather or sounding balloon is a balloon (specifically a type of high-altitude balloon) that carries instruments aloft to send back information on atmospheric pressure, temperature, humidity and wind speed by means of a small, expendable measuring device called a radiosonde.

warns about severe weather

measures conditions in the upper atmosphere

collects data that predicts changes in the atmosphere

Explanation:

doing the review