Answer:
No water, kills plants
Solution: a drought occurs when it’s extremely dry, therefore plants don’t get enough water. Lack of water causes plants to die
Answer:
A. development of automobiles with lower nitrogen oxide and hydrocarbon emissions.
Explanation:
This act implements a comprehensive program to reduce air pollution to protect human health and environment, the amends made in 1990 focused on problems of acid rain, ozone depletion, and toxic air pollution, they established new auto gasoline reformulation requirements and set the Reid vapor pressure standards to control evaporative emissions from gasoline.
To discover how and what hunting techniques they used in his time
Answer:
Native Americans.
Explanation:
A mountain man refers to an individual who is an explorer and his natural place of habitation is the wilderness. They were commonly found in the North American Rocky Mountains around 1810 to the 1880s and their main occupation was fur trade.
Jim Bridger is generally considered to be one of the most widely known Mountain Men around the world.
Hence, the Mountain Men had most in common and the most contact with Native Americans.
