A balloon-borne package of sensors that gathers upper-level temperature, air pressure, and humidity is a. A radiosonde. C. A hygrometer. b. A satellite. D. Doppler radar

Option A (A radiosonde) is the right response.

Explanation:

The Radiosonde would be a battery-powered telemetry method used to determine atmospheric parameters. It comprises such a weather balloon that receives information to something like a surface receiver via a radio. It's important although it serves as an important means of meteorological data collection.

Some other alternatives offered are not connected to the circumstance in question. So, the alternative here was the right one.