he conquered the Aztecs in 1521
Answer:
D. Nuclear Power Plants
Explanation:
Nuclear Power is technically a green energy source that doesn't harm the environment and contribute to pollution. It does leave nuclear waste when done with use though that will be radioactive for thousands of years.
The answer would be C) Shifting of sea floor due to movement of tectonic plates. (Huge waves need an abrupt force to cause them)
Since you don't provide picture, find the spot that is located on the west part of the Mali, On top of the River Niger and below the Sahara desert
Answer:
Drought is a dangerous condition which decreases the quality of life. It is termed as a natural disaster with harmful effects. A drought usually occurs when a region faces a shortage of water. This is mainly due to lesser rainfalls. In addition, droughts have proven to be fatal for mankind and wildlife as well.
Moreover, drought is the most dangerous for a farmer. As they do not have an ample supply of water, their crops dry out. This becomes a reason for worry as it is their sole income. Furthermore, drought also leads to various other problems for the environment and mankind.
Causes of Drought
Drought is caused due to various reasons. One of the main reasons is deforestation. When there will be no trees, the water on land will evaporate at a faster rate. Similarly, it lessens the soil capacity to hold water resulting in evaporation.
Moreover, lesser trees also mean lesser rainfall which eventually leads to drought.
Furthermore, as the climate is changing, the water bodies are drying up. This results in a lower flow of surface water. Therefore, when the rivers and lakes will dry out, how will the people get water? In addition, global warming is a major cause of this. The greenhouse gas emitted causes the earth’s temperature to rise. Thus, it results in higher evaporation rates.
Subsequently, excessive irrigation is also a great cause of droughts. When we use water irresponsibly, the surface water dries up. As it does not get ample time to replenish, it causes drought.
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