<span>hydrosphere should be yor answer</span>
Answer:
I think its called factors
Erosion of farmland, overuse of both surface and groundwater, dwindling supplies of finite fossil fuels, and escalating extinction of plant and animal species imperil the ability of the earth's resources to meet the needs of such enormous numbers of humans. The food situation worldwide is becoming critical
A perceptual region is one created in the mind of the viewer according to associated feelings and ideas.<span> It is a highly subjective way of looking at a geographic region .</span>