Question

Give Reasons: ⁰-⁰
1. Why Ocean Water Is Salty ?
2.The Quality Of Water Is Deteriorating.
3.Some Rocks Have The Shape Of Mushrooms.
4.Sea Caves Are Turned Into Stacks.​

Answer 1

1. Salt in the ocean comes from two sources: runoff from the land and openings in the seafloor. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. ... Ocean water seeps into cracks in the seafloor and is heated by magma from the Earth's core.
2. Ocean water contains large amounts of dissolved salts. Hence it is salty. ... Answer: Water quality is deteriorating because of pesticides, toxic and hazardous wastes, litter and rubbish, decayed organic materials and chemicals.
3. (i)Some rocks have a shape of a mushroom because winds erode the lower section of the rock more than the upper pa. rt. Therefore, such rocks have narrower base and wider top (ii)Floodplains are very fertile because floods deposit layers of fine soil and other material.
4. They are called sea caves. These cavities become bigger and bigger and a time comes when only roof of the caves remain to form sea arches. Further erosion breaks the roof and only walls are left. ... In this way, sea caves are turned into stacks.

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Answer 2

Answer:

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