Question

8. Oceans are mixed for minerals like sand, gravel manganese, copper

a)calcities b)ohosphates c) silicates d)salt​

Answer 1

Answer:

D) silicates

Explanation:

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Answer 2

8. Oceans are mixed for minerals like sand, gravel manganese, copper

a)calcities

b)ohosphates

c) silicates

d) salt ✔

Explanation:-

• Ocean is widely spread on earth as it covers 70% of earth surface.

• Earth's recieve 97% water from these wild oceans with several kinds of minerals.

• Ocean contains minerals like manganese, copper, oceanic sand and a very huge quantity of salt.

• Oceanic water consists of high amount of salt which can't be possibly drink by living beings. It has to be purified first to use it in our daily life.

• According to one theory, it would be 500m high layer if we try to extract all salt from oceans and spread it all over the earth surface in a layer.