Humid air has higher pressure because of the heaviness of water humid air is lighter so it has lower pressure.
It’s mass number would be 5 as it’s the protons and the neutrons added together
Cheetah who is running with speed of 80 miles per hour then it is his instantaneous speed becaue i shows as in per hour speed..... hope it helps
When a solid forms with two solutions are mixed it is a precipitate
Heat energy is needed for evaporation to happen.
