Answer:
d , before the molten rock becomes lava, it is first magma, and most people know that lava is ejected from volcanoes
I think that the empirical formula is mgcl2
Explanation:
I think the answer is this for a better check mass- mass ratio in stoichiometry lesson
The answer is "Rising and expanding air or atmosphere cooling".
To form a cloud the air must be cooled to the temperature of dew point. when there is expansion of air, it cools to the dew point and thus the formation of cloud happens. This process is very common and used for the formation of clouds.