Question

1.Which mineral is referd as" black gold"
2.Which mineral is known as "buried sunshine"
3.Which mineral is known as "mother of all industries"​

Answer 1

Explanation:

1.Petroleum is referred to as Black Gold. ... This name black gold itself is an indication that it is very vital to humans. Because of its oil and worth, people refer to it gold.

2.Coal is called “buried sunshine” because it is found buried under the earth, and is as important a source of energy as sunshine.

3.Steel is the mother of all industries

Answer 2

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1. Petroleum

2. Coal

3. Iron and steel