Answer:
Erosion can cause water in the rivers to become heavily polluted. The water might carry pesticides, heavy metal ions and other toxic wastes. When this water will be used for irrigation purposes, the growth of plants will be heavily affected by them.
When humans use water this contaminated water from the rivers, it will led to many diseases in humans. Also, the wild- life animals which depend on this river might take in toxic compounds due to which they might die.
Temperatures raise as the altitude increases. It also absorbs all the suns rays and energy making it warmer. <span />
Answer:
The statement true about plant domestication according to Carl Sauer is: Option B: It first occurred in diversified habitats with a variety of species.
Explanation:
Plant domestication is the process in which wild plants are artificially evolved into crop plants.
Carl Sauer was a botanist and a geographer. He said that instead of putting efforts to roam and search for food from one place to other, one should domesticate plant and animals. For plant domestication, there were few conditions that should be met according to his theory. Because according to him domestication of plants and animals have an effect on the environment. Option B is the theory which is true according to him, out of the given options. Other options are incorrect.
Yes it is answer A. (At least 20 characters long)