9. In a sample of gas, what causes pressure? Answer in a completesentence.

As you move from right to left on the periodic table the atomic radius fill in the blank

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !