Question

Q) Answer in one sentence
1. Petroleum is referred to as Black gold. why?
2. Give five ways in which you can save energy at home.
3. What is an ore? where are the ore of metallic minerals are generally located?
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Answer 1

Answer:

1 the crude oil is extracted from the soil below, it is black in colour. Petroleum is very expensive like gold

2 Use energy efficient fluorescent bulbs.

Switch off the fan and light when leaving the room.

Set low temperature in the air conditioning devices.

Use pressure cooker instead of an electric cooker.

Switch off your Television, mobile charge when it gets charged.

3 : A rock from which a particular mineral can be profitably extracted is called an ore. The ores of metallic minerals are generally located in igneous and metamorphic rocks.

Explanation: