Answer:
When the Earth Rotates on its axis.
Explanation:
That is how the whole day/night cycle on earth progresses, is by the earth rotating on its axis. None of the others would work.
Answer:
The correct answer is: the mass in grams of one mole of a substance
Explanation:
The molar mass of a given substance corresponds to the mass of one mole of this in grams. Corresponds to a physical property of the substance. Example: the molar mass of water (H20) is:
Molar mass H20 = (Mass H) x 2 + Mass 0 = 2 x 1 g + 16 g = 18 g / mol
I think it’s a, hopefully you get it right!
Answer:
Each layer has a different temperature range and contains different mixtures of gases and moisture. Human activities on Earth's surface can create changes in the atmosphere. Pollution, acid rain, and holes in the ozone disrupt how the atmosphere normally functions.