Answer: True
Explanation:
Eutrophication is a natural phenomena, in this the fertilizers which are rich in concentration of nitrogen and phosphorus due to the effect of surface runoff get deposited in the nearby water body such as river, lake, pond and others. These fertilizers facilitate the growth of aquatic plants in the water body. The excess growth of plants reduces the oxygen content of the water body, which results in decline in the population of aquatic animals and foul smell in water.
Sill does not cut across preexisting rocks. Laccoliths can be contrasted with sills. It is any sort of igneous intrusion that has split apart two strata, giving rise to a domelike structure. Laccoliths tend to be smaller than a stock, and usually is less than 10 miles in diameter.
The continental divide______. answer is d
Such a practice is known as shifting cultivation or slash-and-burn. This was used by tribal people and American Indians for farming. They clear the land, grow crops for a few years, and move away when the land is fallow, allowing the land to regain nutrients and the forest to grow back. They generally return to the land in 10 to 12 years.
