What is a renewable energy source?

1 Answer

Answer :

Ans: a) A renewable energy source is a natural energy source which can supply energy for millions of years without becoming exhausted. 

Related questions

Description : Give two examples of renewable energy sources.

Last Answer : b) The Sun, wind, and tides. 

Description : What happen to the heat energy that reaches Earth from the sun? 

Last Answer : Ans: The layer of air which surrounds the Earth acts as an insulating layer. Carbon dioxide gas in the atmosphere absorbs the heat from the Sun and keeps it in thereby maintaining a specific temperature for life on Earth.

Description : Where most of the world’s energy does comes from?

Last Answer : Ans: Most of the world’s energy comes from burning fuels. 

Description : Suggest a good place to establish a wind farm.

Last Answer : Ans: b) A good place to establish a wind farm would be a windy location on land or out at sea. 

Description : What is the wind farm? 

Last Answer : Ans: a) A wind farm has a large number of wind turbines in one place.

Description : What is the main problem with wind power?

Last Answer : Ans: The energy produced by wind is difficult to store, and electricity is only produced when the turbines are rotating. 

Description : Explain how global warming can lead to the flooding of low lying areas.

Last Answer : Global warming will cause the ice caps at the Poles to melt which in turn will cause the sea level to rise, thus causing a change in weather patterns: more flooding will occur in the lowlying parts of the world. 

Description : What is a global warming? 

Last Answer : Ans: a) An increase in the amount of carbon dioxide in the air is increasing the greenhouse effect, which is causing the temperature of the Earth to rise. This is global warming. 

Description : Name one other green house gas.

Last Answer : methane

Description : Explain why carbon dioxide is called a green house gas.

Last Answer : Ans: a) Similar to a greenhouse, carbon dioxide is very good at keeping heat within the Earth’s atmosphere. This is why it is called a greenhouse gas. It has been very useful in making the Earth warm enough for human life to survive.

Description : Name three gases that cause rain to be acidic.

Last Answer : Ans: carbon dioxide, sulphur dioxide, nitrogen dioxide 

Description : Explain how fossil fuel cause air pollution.

Last Answer : Ans: When fossil fuels are burnt they produce harmful substances that cause air pollution and, in turn harm the environment.

Description : Why are gases deposits found on top of oil deposit?

Last Answer : Ans: Gas deposits collect above the oil because they are less dense. 

Description : What does porous mean?

Last Answer : Ans: Porous means something having sponge-like holes through which liquid or gas can seep. 

Description : a) What does crude oil look like? b) Explain why crude oil is a fossil fuel.

Last Answer :  a) Crude oil is thick and black. b) Crude oil is a fossil fuel because it was made from the dead bodies of microscopic plants and animals that once lived in the sea.

Description : Suggest why there are no human fossil in coal.

Last Answer : Ans: There were no human beings living on the Earth at that time. 

Description : What is a fossil fuel?

Last Answer : Ans: A fossil fuel is formed from the remains of living things. Coal, oil, and natural gas are fossil fuels.

Description : Give three uses for oil products. 

Last Answer : Ans: Oil products are used in vehicles, for heating homes and in power stations. 

Description : List five common fuels that could be used in the home

Last Answer : Ans: coal, natural gas, kerosene oil, wood, charcoal 

Description : Give the meaning of the following words a) combustion b) ignition

Last Answer : a) The chemical reaction which takes place when a fuel reacts with oxygen to give out thermal energy (heat) is called combustion. b) The small amount of energy needed to light a fuel is called ignition.

Description : Think back a couple of years, when corn was being touted as a "renewable energy source" and its plentiful supply would solve our energy problems forever. What happened?

Last Answer : answer:Biofuels are a good idea in rich countries with surplus production of food. Biofuels are a bad idea in poor countries where people struggle to be able to pay for their food. Using ... farm. And there's also geothermal. Plus energy efficiency. Better windows. Better insulation of buildings.

Description : What is a renewable energy source ?

Last Answer : As long as the earth continues to receive energy from sunlight, it is possible to get energy from energy sources dependent on sunlight. All of these energy sources are called renewable energy sources.

Description : Which one of the following is a renewable source of energy?

Last Answer : Which one of the following is a renewable source of energy? A. Petroleum B. Coal C. Nuclear fuel D. Trees

Description : A Renewable Energy Source Can Put Money In Your Pocket ?

Last Answer : Everyone is trying to cash in on the idea of renewable energy sources and you can benefit from a lot of these savings. For example geothermal renewable energy is a thermal energy that comes from the ... you, take advantage of them by taking a towel and heading over there for your next long soak.

Description : Which of the following is/are considered a Renewable Source of Energy? (A) Wind Energy (B) Solar Energy (C) Nuclear Energy (a) Only (A) (b) Only (B) (c) Only (C) (d) Only (A) and (B) (e) All (A), (B) and (C)

Last Answer : Ans: (d)

Description : Which of the following is NOT a renewable source of energy? (1) Wind energy (2) Geothermal energy (3) Energy from fossils (4) Solar energy

Last Answer : (3) Energy from fossils Explanation: Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight wind, rain, tides, waves, and geothermal heat.

Description : Which of the following is a renewable source of energy? (1) Coal (2) Geothermal powder (3) Natural gas (4) Uranium

Last Answer : (2) Geothermal powder Explanation: Geothermal electricity is electricity generated from geothermal energy. Geothermal power is considered to be sustainable because the heat extraction is small compared with the Earth's heat content.

Description : Which of the following is the second largest source of global energy? (1) Fossil fuel (2) Nuclear Energy (3) Renewable Energy (4) None of these

Last Answer : (3) Renewable Energy Explanation: Data for 2013 shows that renewable electricity generation overtook natural gas to become the second largest source of electricity worldwide producing 22% of total electricity or 5,130 Twh.

Description : Which is a renewable source of energy

Last Answer : Water

Description : A _______ source of energy is a natural resource that can replenish itself naturally over a short period of time. a) non-renewable b)exhaustible c)renewable d)chemical

Last Answer : c)renewable

Description : Which of the following is a renewable source of energy ? (1) Coal (2) Geothermal powder (3) Natural gas (4) Uranium

Last Answer : Geothermal powder

Description : Which of the following is the second largest source of global energy? (1) Fossil fuel (2) Nuclear Energy (3) Renewable Energy (4) None of these 

Last Answer :  Renewable Energy

Description : What is renewable source of energy? State two examples for the same.

Last Answer : Renewable (Primary) Energy sources: It is defined as the sources that can be used again and again for the generation of electrical energy are called renewable.  Following are the some list ... ) and carbon dioxide  6. Geothermal Energy  Geothermal Electricity Production  7. Fuel Cells

Description :  The disadvantages of renewable source of energy is / are : -  a) intermittency b) lack of dependability c) availability in low energy densities d) all the above

Last Answer :  The disadvantages of renewable source of energy is / are : - intermittency, lack of dependability, availability in low energy densities

Description : Is water considered a renewable source?

Last Answer : Water is renewable because it always comes back. We use it, wedirty it, but it eventually finds its way back into rivers andoceans. From there it is evaporated into clouds which bring rain tothe ... is clean and fresh and running down a mountainit has power to turn turbines and produce electricity.

Description : Which is not a renewable source-

Last Answer : Which is not a renewable source- A. Forest B. Coal C. Water D. Forest organism

Description : What is a renewable source?

Last Answer : Any of the fossil fuels (coal, oil and natural gas) is a non renewable source of energy.Any resource for which there is a finite or limited supply. Fossil fuels do not generate fast ... are made from important nonrenewable resources called petroleum, or oil, petroleum is formed mostly from the r

Description : What is the difference between renewable and non-renewable energy sources?

Last Answer : Answer: Renewable energy sources are those that can be replenished naturally over a relatively short period of time, such as solar, wind, hydro, and geothermal power. Non-renewable energy sources, on ... naturally on a human timescale, such as fossil fuels like coal, oil, and natural gas.

Description : What is renewable energy?

Last Answer : Renewable energy refers to energy derived from sources that are replenished naturally, such as solar, wind, and hydro power, and is an important concept in energy policy and environmental science.

Description : What is renewable energy?

Last Answer : Renewable energy refers to energy sources that are replenished naturally and can be used repeatedly, such as solar, wind, and hydropower, and is an important concept in environmental science and sustainability.

Description : What is renewable energy?

Last Answer : Renewable energy is energy that comes from sources that are replenished naturally and can be used without depleting them, such as solar, wind, hydro, and geothermal energy, and is an important concept in sustainable development and environmental science.

Description : What is renewable energy?

Last Answer : Renewable energy is energy that is generated from natural resources that are replenished over time, such as solar, wind, and hydro power, and is an important concept in energy and environmental science.

Description : What is renewable energy?

Last Answer : Renewable energy is energy that is derived from natural sources that are replenished over time, such as sunlight, wind, and water, and is an important area of focus for reducing greenhouse gas emissions and combating climate change.

Description : What is renewable energy?

Last Answer : Renewable energy is energy that is derived from natural resources that are replenished over time, such as solar, wind, hydro, geothermal, and biomass, and is considered more sustainable than fossil fuels.

Description : What is renewable energy?

Last Answer : Renewable energy is energy that is generated from natural resources that are replenished over time, such as solar, wind, hydro, geothermal, and biomass energy.

Description : What is non-renewable energy?

Last Answer : Non-renewable energy is energy that is generated from finite resources that will eventually be depleted, such as fossil fuels like coal, oil, and natural gas.

Description : What is renewable energy?

Last Answer : Renewable energy is energy that is generated from natural resources that are replenished over time, such as wind, solar, and hydro power, and do not contribute to greenhouse gas emissions.

Description : Is it Texas that uses the most renewable energy in North America or not?

Last Answer : Maybe it’s the biggest state? More square miles more solar panels. Lots of places for windmills too!

Description : Why is my electric utility company offering a renewable energy option?

Last Answer : You’re not supposed to ask questions about renewable energy, just say yes. If it causes harm, that’s a price we’re willing to pay. Apparently. Any other industry would be fined out of existence.

Description : What is the smartest choice: Nuclear or Renewable Energy?

Last Answer : answer:These two TED talks will shed some light onto the nuances of the realities we face: 1. Debate: Does the world need nuclear energy? 2. Bill Gates on energy: Innovating to zero!