Answer:
biosphere is the regions of the surface and atmosphere of the earth or another planet.
Decreases. It is vice Versa. If one increases another does too and so vice versa too.
D. The appearance of the odd people
Answer:
One reason why people settled here is because the soil is very fertile. When snow melted in the mountains, there were yearly floods. The floods deposited silt, which made the land very fertile. The Sumerians were the first people to settle in this region.
Explanation:
