Question

4. What substance is the main component of sand?

Answer 1

Answer: silicon dioxide

Explanation:

The most common component of sand is silicon dioxide in the form of quartz. The Earth's landmasses are made up of rocks and minerals, including quartz, feldspar and mica. Weathering processes — such as wind, rain and freezing/thawing cycles — break down these rocks and minerals into smaller grains.

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Answer 2

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Answer:

Silica which is chemically SiO2, is composed of Silicone and Oxygen. It has been known since ancient times, is found in sand, and is a major component of glass. Silica is a chemical compound, also called silicon dioxide.

Silica, also known as silicon dioxide, is a natural occurring material that is also the major constituent of sand, which is estimated to comprise more than 10% by mass of the earth's crust.

The most common component of sand is silicon dioxide in the form of quartz. The Earth's landmasses are made up of rocks and minerals, including quartz, feldspar and mica. Weathering processes — such as wind, rain and freezing/thawing cycles — break down these rocks and minerals into smaller grains

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