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Energy

The Energy category covers the description, definition, and use of all types of energy. Questions of a general nature can be put in the general Energy category. Other sub-categories exist for Fossil fuels, Nuclear energy, and renewables such as Wind, Solar, Hydro, Tidal, and Wave power.

24,905 Questions

Which Energy system uses glucose fat and protein fuel?

The aerobic energy system uses glucose, fat, and protein as fuel sources. Glucose and fat are the primary sources of energy, while protein can be used as a last resort if the other sources are depleted. This system requires oxygen to efficiently produce energy through the process of cellular respiration.

Is energy alive?

No, energy is not alive. Energy is a property or characteristic of matter that allows it to do work or cause change. Living organisms use energy for various processes, but energy itself is not a living entity.

How long does it take geothermal energy to form?

Geothermal energy is heat from the Earth's core that has been building up for billions of years since the planet's formation. This process is ongoing and the heat is continuously generated through the natural decay of radioactive elements in the Earth's crust.

Does wind energy have a positive or negative impact on the earth?

positive because it helps us breath, and can power millions of homes!

Answer

Negative. Because wind turbines are so inefficient, they can only be build through subsidies, raised by increasing everyone's energy bills. They are bankrupting the economy.

What are two bad things about geothermal energy?

  1. High initial capital costs for setting up geothermal power plants can be a barrier to widespread adoption.
  2. Geothermal energy production can release greenhouse gases and harmful substances if not managed properly, impacting the environment.

What is energy from heat in earths interior?

The energy from heat in Earth's interior is primarily generated by the decay of radioactive elements and the residual heat from Earth's formation. This heat creates convection currents in the mantle, driving plate tectonics and volcanic activity. It also powers geothermal energy sources that can be harnessed for electricity generation and heating.

Where would you position a lightning rod on a farmers house?

A lightning rod should be installed at the highest point of the farmer's house to provide the best protection. It should also extend above the roofline and be securely grounded to divert any lightning strikes away from the structure. Consulting with a professional is recommended to ensure proper placement.

What current is responsible for circulating hot and cold air in the atmosphere and causing local weather systems?

The movement of air masses with different temperatures is responsible for circulating hot and cold air in the atmosphere and causing local weather systems. This movement, driven by temperature and pressure differences, leads to the formation of winds and the development of weather patterns such as high and low-pressure systems, fronts, and storms. These processes play a crucial role in determining the weather conditions experienced in a specific region.

Does the faster your car moves the less kinetic energy it has?

no that is not true everybody knows that when something is moving it has k.e , wich means that it has kinetic energy and when is not moving its p.e potential energy so I dont see how acar has the less k.e when its moving the answers is it has the less p.e

Why geothermal energy widely accepeted today?

Geothermal energy is widely accepted today because it is renewable, reliable, and has a low environmental impact. It provides a constant source of energy, is not subject to weather fluctuations like solar or wind power, and its development and operation do not produce greenhouse gas emissions. Additionally, geothermal energy has the potential to reduce dependence on fossil fuels and contribute to a more sustainable energy mix.

How are coduction and convection alike?

Conduction and convection are both modes of heat transfer. In both processes, heat flows from a higher temperature to a lower temperature region. However, in conduction, heat is transferred through direct contact between particles or objects, while in convection, heat is transferred through the movement of fluids or gases.

What is original source of most energy on earth?

The original source of most energy on Earth is the sun. Solar energy provides the power for various processes like photosynthesis, which is the basis of the food chain and ultimately sustains all life on the planet.

What molecule is the primary source of energy in living things?

The primary source of energy in living things is adenosine triphosphate (ATP). ATP is a molecule found in cells that stores and transfers energy for various cellular processes. It is produced during cellular respiration and used as an immediate source of energy for metabolic reactions.

What is a short definition of biomass energy?

Biomass energy is renewable energy derived from organic materials such as plants, wood, and animal waste. This energy source can be converted into power, heat, or biofuels through processes like combustion, gasification, or anaerobic digestion.

Does the world's energy come from 7 percent of nonrenewable energy surces?

Yes, about 7% of the world's energy comes from nonrenewable sources such as coal, oil, and natural gas. The remaining 93% comes from renewable sources like solar, wind, and hydropower.

Does water vapor absorb or release heat energy?

Water vapour releases energy when it condenses, this is the latent heat which is a fixed amount per gram of water. To boil water into vapour the latent heat must be supplied. Once in the vapor form,to make it hotter you have to supply energy.

How is geothermal energy better than wind energy?

I believe that geothermal energy is better than wind energy because:

1) it is WAY more reliable. Due to the hot molten core of the earth, the crust of earth is always a steady hot temperature year-round. Wind energy depends on the sun (wind is caused by uneven heating of the earth's surface) so, wind depends on the weather, and the weather is ALWAYS changing, especially with global warming.

2) Geothermal installations go underground, so they don't take up any space on the earth's surface. Wind farms take up little space on the ground, but can injure or even kill birds and bats who get sucked in too close to them. I have also heard that some people apparently think wind farms are ugly.

3) Wind energy only provides electricity, but geothermal provides much, much, more. Geothermal can also provide electricity but mostly heats your home. in the summer, it can cool your house by drawing heat underground.

What describes the process of breaking down nutrients to create the energy needed for vital cell activities such as reproduction and growth?

This process is known as cellular respiration. It involves breaking down nutrients such as glucose into energy in the form of adenosine triphosphate (ATP) through a series of biochemical reactions. The energy produced through cellular respiration is essential for various cellular activities, including reproduction and growth.

Does the energy of ocean waves come from the energy of deposition?

The energy of ocean waves primarily comes from wind transferring energy to the water's surface. The deposition process does not directly contribute to wave energy. Instead, it influences coastal topography, which can affect the movement and behavior of waves.

Explain why organisms produced by sexual reproduction have characteristics of both parents?

During reproduction - the egg (containing a copy of the mother's genetic code) combines with a sperm (containing a copy of the father's genetic code). The resultant 'mix' of genetic material retains characteristics from both parents, and thus the child inherits things like hair or eye colour, or height, or diseases.

Is energy an adjective?

Energy is usually a noun that refers to the ability to do work or produce change. However, it can also be used as an adjective to describe something as having a dynamic or lively quality.

When you are getting hot in the sun light energy from the sun is converted into?

When you are getting hot in the sunlight, the energy from the sun is being absorbed by your skin. This energy is then converted into heat, raising your body's temperature.

What process do mitochondria use to release energy from glucose using oxygen?

The mitochondria is not responsible for the breakdown of glucose, but this actually occurs starting in the cytoplasm via glycolosis. Glycolosis breaks down glucose to pyruvate, which enters the mitochondria and is broken down to Carbon dioxide via the Citric Acid Cycle (a.k.a. the Kreb cycle). The reduced agents produced from here donate their electrons to the electron transport chain, with the final electron acceptor being Oxygen. The electron transport chain pump hydrogen atoms from the inner matrix to the outer region in the mitochondria as these electrons move down the chain. This hydrogen gradient is used to create ATP much like a dam creates electricity from water. Sources differ on how many ATP are created per molecule, but on average it is 2.5 moles of ATP per mole of NADH, and 1.5 moles of ATP per mole of FADH2.

What are some examples of magnetic energy transfer?

Some examples of magnetic energy transfer include the use of magnetic fields in transformers to transfer electrical energy, magnetic resonance imaging (MRI) to transfer energy for imaging purposes, and magnetic levitation trains that use magnetic fields to transfer energy for propulsion.