How do chemical weathering affect land formation? Chemical weathering can cause rivers to change course.
Chemical weathering can form caves.
Chemical weathering can change rock types.
Chemical weathering can affect the weather of an area.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

gas

explanation:

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the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)