Answer the following questions.
1) name some common natural disaster.
2) what is an earthquake? how is it caused?
3) how is the intensity of an earthquake measured?
4) what is a volcano? how do volcanoes erupt?
5) what is a landslide?
6) what is a cyclone?
7) what is the cause of a tsunami?
8) what is drought? what conditions cause a drought?
Answers
1-a)tsunami b)earthquake c)volcano
2-earthquake is the shaking of land.It is caused by the sudden tectonic movement in earths crust
3-the intensity of earthquake is measured by modified mercally scale
4-volcana is the eruption of magma from the mountain top.It is erupted when molten rock called magma rises to the surface of earth
5-It is the type of mass wasting which denotes any down slope movement of soil and rock under the direct influence of gravity.
6-it is the fastest movement of wind which haves the power to destroy more than 10 houses in one minute
7-Tsunami is caused by the certain movement in ocean and by its waves.
8-Drought is the situation when the area haves lack of water.it is caused by wastage of water,not recycling the water not storing the water and not planting trees
Answer:
1. Some common natural disasters are like flood, earthquake, tsunami, cyclones, drought, volcanic eruption,etc.
2. Earthquake is a sudden movement in the crust of earth and it is caused due to release of energy from the earth's crust or due to human activities