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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

What is the energy fixing stage of photosynthesis?

The energy-fixing stage of photosynthesis is the light-dependent reactions, which take place in the thylakoid membranes of chloroplasts. In this stage, light energy is absorbed by chlorophyll and converted into chemical energy in the form of ATP and NADPH.

Where does aerobic and anerobic respiration take place?

Aerobic refers to action where oxygen is able to be introduced. Anaerobic refers to a lack of oxygen. Aerobic exercise is a physical activity that allows the participant to breathe and replenish their supply of oxygen such as long distance running. Anaerobic exercise uses oxygen faster than the body is able to replenish it. The cells use any stored oxygen but have to operate without their supply being replenished for a short time. Sprinting would be an anaerobic activity.

What wave is a little shorter than bacteria?

The wave that is a little shorter than bacteria is an ultraviolet wave. Ultraviolet waves have wavelengths that range from 10 to 400 nanometers, which is smaller than the typical size range of bacteria.

Name a device that is designed to change electrical energy into kinetic energy?

A Generator
AC and DC generators(also called dynamos).

Whenever magnetic flux through a closed wire loop changes current flows in it. We use mechanical energy to produce change in flux and generate electricity.
A device that converts mechanical energy into electrical energy is called an Electric Generator. It works by inducing an electric current in a loop of wire by using magnetic fields.
An electrical generator or Dynamo. The mechanical energy moves a magnetic field relative to electric coils and creates electricity. Little Dynamos on bicycles provide light at night.

What are heterotrophs and where do they get their energy?

Heterotrophs are organisms that cannot produce their own food and must consume organic matter from other organisms to obtain energy. They get their energy by breaking down complex organic molecules, such as carbohydrates, proteins, and fats, through processes like digestion and cellular respiration.

A brain cell contains thousands of mitochondriawhat can you infer fron this information about the brain's need for energy?

The presence of thousands of mitochondria in a brain cell indicates that the brain has high energy demands to support its normal functions. Mitochondria are responsible for producing energy in the form of ATP through aerobic respiration, thus suggesting that the brain requires a significant amount of ATP to carry out its complex activities such as thinking, memory formation, and processing information.

If you double a concentration of a reactant then the rate of the reaction doubled The order with respect to the reactant is?

The reaction is first order with respect to the reactant. In a first-order reaction, the rate is directly proportional to the concentration of the reactant. Doubling the concentration of a reactant will result in a doubling of the reaction rate.

What is the most important source for environmental change on earth?

Human activities, such as burning fossil fuels, deforestation, and industrial processes, are the most significant sources of environmental change on Earth. These activities contribute to climate change, loss of biodiversity, air and water pollution, and habitat destruction, among other negative impacts on the environment. Addressing these human-driven activities is crucial for mitigating environmental change and protecting the planet's health.

What is powered by the energy from earths interior?

Geothermal energy is powered by the heat stored below the Earth's surface. This energy is harnessed using geothermal power plants to produce electricity and heat for various applications like heating buildings and spas. The natural heat from the Earth's interior is a renewable energy source that provides a constant and sustainable energy supply.

What was the energy source for the creation of the earth?

There are two answers for this question and both are theoretical. The first answer comes from religious dogma and is simply: God. This answer is infinitely more simple to give for the question, if not prove. Nearly every known religion on Earth accounts for the creation of Earth in the same way as it is written in the first verse of the Christian bible, "In the beginning God created the heavens and the earth."

The second answer to this question comes from scientific approach and has undergone an immeasurable amount of hypothesis, research, testing, and critical scrutiny over the years. Science tells us that, in the beginning, there was only a single super-massive gaseous point in our empty universe. Instantaneously and randomly, the gravitational bond holding this massive body together exploded and super-heated particles were projected outward through space, in a reaction called the "Big Bang". In less than one millionth of a second, protons, neutrons, electrons, and their anti-particles began to form as they traveled outward. As time passed, atoms were formed. These early atoms were joined together through gravitational force. The gravitational force of these early formations was so great that they collapsed in on themselves, and as hydrogen atoms bonded with one another, stars were formed through the reaction of fusion. Over millions of years, the fusion process completed its cycle for these early stars and they exploded, throwing out massive atoms into the universe. Over time, these atoms collected and combined to create planets, smaller stars, asteroids, and numerous other solid bodies.

As stars began to form in our galaxy, one appeared where our Sun now takes residence. After this first star burned through its usable hydrogen and other elements, it exploded, sending matter outward in all directions. Through gravitational forces, this matter cooled and collected in a few key locations, forming the planets in our solar system and the asteroid belt. While all of this was taking place, a smaller star began to form in the same location of the previous explosion and our Sun was born, starting its own fusion process.

The Earth was one of the planets formed from the collapse of the first star and it has taken billions of years to become the ideal home for life as we know it to be today.

When amino acids are degraded for energy their amine groups are stripped off and used elsewhere or incorporated by the liver into?

...into urea, which is excreted by the body in urine. The remaining carbon skeletons are converted into molecules that can enter the citric acid cycle for energy production.

How is geothermal energy transformed to another energy?

Geothermal energy is typically transformed into electricity by using geothermal power plants. These plants harness the heat from within the Earth to produce steam, which drives turbines connected to generators. The generators then convert the mechanical energy into electrical energy.

What region of the earth near the eqautor receives the most solar energy?

The region near the equator that receives the most solar energy is known as the tropics. This is because the sun's rays hit this area more directly, leading to higher levels of solar radiation and heat. Countries located in the tropics experience consistent high temperatures and receive ample sunlight throughout the year.

The passage of energy from one organism to another according to a particular feeding sequence is called a food chain?

Yes, a food chain is a linear sequence of organisms where each one serves as a source of energy for the next. It represents the transfer of energy and nutrients as one organism is consumed by another in an ecosystem.

What energy changes are involved when an electric light shines?

When an electric light shines, electrical energy is converted into light energy and heat energy. The electrical energy is converted into light energy, which is the main purpose of the light bulb, while some of the energy is also released as heat energy due to the resistance in the light bulb filament.

Where does all energy on earth come from?

The majority of energy on Earth comes from the sun. Solar energy is captured by plants through photosynthesis, which is then passed on through the food chain to other organisms. Additionally, the Earth's internal heat also contributes to energy sources such as geothermal energy.

What is the biggest source of energy on earth?

The sun, followed by fossil fuels and different kinds of materials. Fusion would be the next step in a source of energy for humans to use, but all methods used for fusion so far have failed to give a significant amount of energy output.

Does thermal energy drive the water cycle?

Yes, the water cycle is driven by the energy in the Sun's rays, which evaporates water from the surface of the ocean. The water is carried up as vapour and eventually forms clouds and produces rain.

What are three main types of air pollutants in Georgia?

The main types of air pollutants in Georgia are a highly studied topic. Most say it is candy canes, but the leading scientists are very puzzled about the high concentrations of gum drops in the air.

To answer the main question, scientist Derami el Verenzo says " The Georgia candy pollution is a very concerning topic, the citizens of Georgia are expierencing sugar highs from just breathing the sugar coated air. "

What is the relationship between work input and work output with reference to the law of conservation of energy?

According to the law of conservation of energy, energy cannot be created or destroyed, only transferred or transformed. This principle applies to work input and output, as the total work output of a system will always be equal to the total work input. Any work done on a system is transformed into some form of energy that is then used to perform the work output.

What are two ways to determine energy release through seismographic data?

Earthquakes

earthquakes occur when energy stored in elastically strained rocks is suddenly released. This release of energy causes intense ground shaking in the area near the source of the earthquake and sends waves of elastic energy, called seismic waves, throughout the Earth. Earthquakes can be generated by bomb blasts, volcanic eruptions, and sudden slippage along faults. Earthquakes are definitely a geologic hazard for those living in earthquake prone areas, but the seismic waves generated by earthquakes are invaluable for studying the interior of the Earth.

Are energy saver bulbs good for growing?

Energy saver bulbs like compact fluorescent lights (CFLs) or LEDs can be suitable for growing plants that do not require high levels of light. However, for plants that need more intense light for healthy growth, it is recommended to use specialized grow lights that provide the specific light spectrum needed for photosynthesis.

Where does almost all the energy used by living things come from?

Almost all the energy used by living things comes from the Sun, through the process of photosynthesis. Plants capture sunlight and convert it into chemical energy in the form of glucose, which is then consumed by other organisms, transferring the energy up the food chain.

Antennalike energy-harvesting unit in a thylakoid?

Antenna pigments, chlorophyll a, chlorophyll b, and carotenoids, that are light harvesting antennas in the thylakoid. After the antenna pigments absorb light energy and transformed as chemical energy then transfered to the reaction center complex.

In what material do S waves disappear?

S waves disappear in liquid materials because they cannot propagate through fluids. This phenomenon occurs due to the inability of S waves to transmit shear stress in liquid mediums.