The answer is A as river valley civilizations relied on rivers as a source of life. River valleys like Egypt, Mesopotamia and Xi, the rivers brought silt and made the soil very fertile, it also brought fresh water and fish to eat. People can also move fast using rivers.
Answer:
failed because developing countries were exempt.
Explanation:
The "Kyoto Protocol" was an international agreement that aimed to cut down the global gases around the world. It was adopted first in<em> Kyot</em>o in<em> 1997</em>. This was the time when the concern for the rising greenhouse gases was alarming. It mandated the countries which were industrialized to cut down their global emissions, this included the USA.
Although the U.S.A signed the agreement at first, they dropped out from it because they felt it was unfair<u> since the developing countries like China and India were exempted from it.</u> The protocol failed because most of the emissions came from the developing countries which were exempted and this <u><em>increased the overall gas emissions around the world</em></u>.
Manufacturing in the northeast
