Which among the following factors is not responsible for soil erosion?
All of the factors like ploughing of hill slops, overgrazing , floods and deforestation are responsible for soil erosion.
Which of the following is responsible for the continuous heating and cooling of rocks that finally forms soil?
Sunlight and rain cause heating and cooling of rocks which by weathering gives rise to soil.
Tall mud walls built on the sides of the rivers, to conserve soil are called:
Which among the following is not a type of rock?
Match the following:
When the earth day is celebrated?
Soil erosion can be prevented by:
Which among the following is an example of metamorphic rock?
Metamorphic rocks can be formed by pressure deep under the Earth's surface, from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates. Examples of metamorphic rocks include anthracite, quartzite, marble, slate, granulite, gneiss and schist.
About 95% of earth?s crust is made up of which rocks?
____ is porous and formed from lava.