Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient rich materials. One of the main causes of soil erosion is water erosion, which the loss of topsoil due to water.
Answer:
Option (1)
Explanation:
Hotspots are the regions where the magma rises towards the surface due to the presence of large mantle plumes. The force exerted by the magma here is very high. When the lithospheric plates move over these regions, the magma comes out to the surface forming volcanoes. And as the plates move away from the region of hotspot they eventually cool. These hots spots are fixed at a place. There are numerous hotspots on earth. for example, the Hawaiin island chain, below which there are regions of hotspots.
Thus, the hotspot regions are not associated with the plate boundaries.
Hence, the correct answer is option (1).
<span>The <u>PHYSICAL</u> environment is the earth, air, water, landscape, weather, and even sound. The <u>SOCIAL</u> environment is other people and what they contribute.
This is how the general community works and functions. Ideally it should be a mutual understanding between the two environments, but humans are more capable of destroying the physical environment benefiting from its abundant resources.
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Answer:
correct option is (a) 420-440 Ma
Explanation:
as we know that Henrietta town in the Monroe County , United States
and in Henrietta large number of rocks are found and major are Sedimentary and Igneous rocks
and porphyritic in nature ( Basalts and diorite ) also found in the Henrietta and They are subject to absolute dating method
as the results are found to be that the rocks were about 420 - 440 million years old
so correct option is (a) 420-440 Ma
No. It is the other way around.
When you sell a product to another country, you are exporting your product. The country buying your product is the importer as they are bringing the product into the country by buying it.
