What is a radiosonde?

a. a thermometer that gives readings in fahrenheit and centigrade simultaneously
b. a box filled with instruments that takes measurements from the air
c. an instrument that is attached to ocean buoys that records sea surface temperatures
d. a parachute

What is the process of pulling apart an n2 molecule nevermind i got it

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food