The answer would be d: the doldrums around the equator
Answer:
I think it should be documented on geological scale
Explanation:
3% of the earth's water is fresh. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost. 0.5% of the earth's water is available fresh water.4 nov. 2020
I think it is Sulfur Dioxide (SO2) and Nitrogen Oxides (NOX).
A family that extends beyond the immediate family, including grandparents, aunts, uncles, and other relatives