Explanation:
Gravity plays a very important role in the production of electrical energy in a dam.
The water used in a hydroelectric power plant is driven under the pull of gravity.
Energy conversion which leads to the production of electricity is from potential energy more specifically, gravitational potential energy to kinetic energy of the electricity.
Potential energy is the energy due to the position of a body.
Water in a dam, is passed through a channel in dam. The channel is held high up, as the water falls through the channel, it impacts and drives a turbine along its path.
This in turn is connected to a generator that produces electricity.
Gravity increases with the mass of the water and causes the gravitational potential energy of the water to drive the turbines.
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Less oil means they will not have enough to supply everyone causing prices to increase with such a high demand but low amount
<span>Cementation is the binding together of particles or other things by cement.</span>
Answer:
It is actually a simplified view of the earth's rotation because the tilt of the earth's axis with respect to the plane of the earth's orbit means that sometimes sunrise occurs slightly earlier or later along the same longitude.
Explanation:
Answer:
The word underlined in the sentence is best defined as activity.
<em>"Each economic </em><em><u>activity</u></em><em> play the vital role in the nation's economy".</em>
Explanation:
An economic sector is one in which a good is produced and exchanged for another good or for money, generating the flow and distribution of wealth in a given population.
Economic sectors involve each of the activities that generate goods and services to meet the needs of a population and generate wealth, being the main activities -or sectors- of the economy:
- Farming / fishing.
- Agriculture.
- Industry and commerce.
- Communications.
- Diverse services provided by qualified or unqualified personnel.
Each one of the economic activities that are carried out in a country contribute to cover the requirements of the population, at the same time that they constitute the economy of this country.
