How do moonstones affect cold weather

Well they can not affect the weather but they can crack or change color in the weather. I hope that this is what you are looking for .

Explanation:

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b