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.
Answer:
D. The youngest volcano of the track occurs at one end of the track.
Explanation:
Hotspot tracks can be described as a process in which lines of islands, atolls, and seamounts are produced as plate continues to move away from the lava stream, it carries built up volcanoes with it; as these volcanoes cool and subside.
Examples are Hawaii, Yellowstone and Iceland hotspots.
1) Hunting: People can over-hunt a species killing too many of them too fast.
2) Global warming: A place can get to hot for them to survive their anymore like coral reefs for example.
3) Destruction of habitats: This can leave animals defenseless and open to attack.
The answer is B. climate is the general weather pattern of an area over many years.
