Most likely on the are the region is located, like if its closer to the equator or not
I think the answer is d not a 100 % sure
Explanation:
The physical environment of forests is determined by edaphic (soil) factors and micro-climate (precipitation, light, temperature, and wind). Gas-exchange within forest canopies depends upon the microclimatic condition within the forest, as well as, edaphic factors and water availability.