Answer the following questions:
Q1. Most Gneiss often glitter. Why?
Q2. Petroleum is also called black gold. Why?
Q3. People need natural resources to stay alive. Is it important to conserve natural resources? Justify your answer.
Answers
Explanation:
Q1. Gneiss is a high grade metamorphic rock, meaning that it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of granite, or sedimentary rock. Gneiss displays distinct foliation, representing alternating layers composed of different minerals.
Q2. Because it price is vry high
OR
Crude Oil is also known as Black Gold. The word 'Black' because of its appearance when it comes out of the ground and the term 'Gold' for of its rarity and utility associated with it.
Q3. Natural resources are available in fixed quantity and they are non – renewable, ... Natural resources are getting scarce with the increasing population, so it is essential to conserve them. This empowers us as well as our future generation to utilise the natural resources to the full extent.
OR
For example, to generate energy, one need fossil fuels; and for industrial development, we require mineral resources. ... Natural resources are available in fixed quantity and they are non – renewable, 8. Natural resources are getting scarce with the increasing population, so it is essential to conserve them.
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Explanation:
- Gneiss is a high grade metamorphic rock, meaning that it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of granite, or sedimentary rock. Gneiss displays distinct foliation, representing alternating layers composed of different minerals.