Answer: The answer is C. Minimal variation in solar isolation and low sun angles
Explanation: Polar regions are located in the north end and south end of the globe: the two pole ends of the Earth. The northern polar region is called the Arctic, and in the southern polar region is the continent of Antarctica. Polar regions have very low temperature and very long winter as a result of being farthest from the equator, hence, they receive the least amount of sunlight and the sun's energy arrives at an oblique angle.
Basically, 2 grams of element X are needed to combine with 4 grams of element Y is order to produce the desired compound.
This means that the ratio between X and Y is 1:2.
Based on this, the amount of Y needed to combine with 42 grams of X is as follows:
amount of Y = 42 x (2/1) = 84 grams
Answer:
C. Sugar Cane. This was often sold and traded during the Industrial Revolution
Explanation: