Question

Those sources of energy which can be used in the same form in which they occur in nature are … *




a. nuclear energy



b. tidal energy



c. primary sources of energy



d. secondary sources of energy

Answer 1

Answer:

primary sources of energy

Answer 2

Anawer:

C. primary sources of energy.

Explanation:

1 . Natural sources of energy.

There are five major renewable energy sources :

• Solar energy from the sun.
• Geothermal energy from heat inside the earth.
• Wind energy.
• Biomass from plants.

• Hydropower from flowing water.

a. Nuclear energy is the energy in the nucleus, or core, of an atom.

A nuclear reactor, or power plant, is a series of machines that can control nuclear fission to produce electricity. The fuel that nuclear reactors use to produce nuclear fission is pellets of the element uranium.

b.Tidal energy is a form of hydropower that converts energy obtained from tides into useful forms of power, such as electricity.

Tides are created by the gravitational effect of the moon and the sun on the earth causing cyclical movement of the seas.

c. Primary energy sources include fossil fuels (petroleum, natural gas, and coal), nuclear energy, and renewable sources of energy.

Electricity is a secondary energy source that is generated (produced) from primary energy sources.

d. It is generated as a secondary form from primary fuels, like natural gas.

Activity: Energy Resources: Primary vs. Secondary.

Please refer the attachment.

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