Which of the following is a Non Renewable Resource of Energy?
A). Wind Power
B). Hydrogen Fuel
C). Natural Gas
D). Solar Energy
Natural Gas
Most non-renewable energy sources are fossil fuels: coal, petroleum, and natural gas. Carbon is the main element in fossil fuels. For this reason, the time period that fossil fuels formed (about 360-300 million years ago) is called the Carboniferous Period.
1. The motion of a body that repeats itself after a regular interval of time is
2. Water drops cannot stick to the oily surface due to
3. Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?
5. Water is not suitable as a calorimetric substance because it :
6. The least penetrating power ray is
8. Eclipses occur due to which optical phenomena?
9. The slope of a velocity-time graph represents
10. Nuclear reactors used to produce electricity are based on