Can some please help me with this.

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air

Which of the timelines above correctly shows the order of historical events on the african continent? a. one (1) b. two (2) c. three (3) d. four (4)

An aspect of climate change involving cloud cloud cover is one example of a negative feedback loop. complete the steps of this negative feedback loop.