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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

An organism cannot survive and reproduce in its environment without?

An organism cannot survive and reproduce in its environment without access to essential resources like food, water, shelter, and suitable mates. Additionally, they need mechanisms to protect themselves from predators and environmental stresses to ensure their survival and successful reproduction.

Is it possible to harness energy from the stars?

This doesn't seem very likely, unless you include our Sun in the definition of "stars". The energy density is simply too low for any practical use.

It is not that this is not POSSIBLE, it simply ain't PRACTICAL. It would require enormous collectors to get but a small amount of energy; there are much better ways to get energy.

Will fresh gasoline melt or dissolve the varnish formed by old gasoline?

Fresh gasoline may help soften or break down varnish formed by old gasoline, but it may not completely dissolve it. It's best to use a dedicated fuel system cleaner or consult a professional for more effective removal of varnish buildup.

What percentage of the earths water is freshwater?

Approximately 2.5% of Earth's water is freshwater, with the majority being found in glaciers and ice caps. Only a small fraction of this freshwater is readily accessible for human use.

If earth's angle of inclination was 0 how would insulation change in High Level Alberta?

If Earth's angle of inclination was 0 degrees, there would be no change in the insulation levels in High Level, Alberta. Insolation (incoming solar radiation) is more influenced by variations in solar angle, day length, and cloud cover than by Earth's axial tilt. Therefore, insulation levels in High Level would likely remain relatively constant throughout the year.

What kind of microorganisms are producers?

Producers in an ecosystem are typically plants, algae, and some bacteria that can perform photosynthesis to generate their own food using sunlight, water, and carbon dioxide. These organisms are vital as they form the base of the food chain by converting energy from sunlight into organic molecules that other organisms can consume.

Do machines decrease the amount of energy that is needed to do work?

Yes, machines can decrease the amount of energy needed to do work by leveraging principles of physics such as leverage, pulleys, and gears to multiply or redirect force. This allows machines to complete tasks with less human effort or energy input.

What is traditional energy?

Traditional energy refers to energy sources that have been used for many years, such as fossil fuels like coal, oil, and natural gas. These sources are non-renewable and can have negative environmental impacts due to greenhouse gas emissions and pollution.

Where are the most extensive geothermal features in the world?

The most extensive geothermal features in the world are found in places like Yellowstone National Park in the United States, New Zealand, Iceland, and the Great Rift Valley in Africa. These regions have a high concentration of geysers, hot springs, fumaroles, and other geothermal phenomena due to their location near tectonic plate boundaries.

How long do main sequence stars live?

A main sequence star is a star that is fusing hydrogen in its core. Stars leave the main sequence when they run out of hydrogen and start to fuse heavier elements (starting with helium and finishing with iron).

The length of time a star remains on the main sequence depends on how massive the star is. The larger the star the more gravity it has and the tighter this gravity squeezes the core - this makes the core hotter and brings the hydrogen atoms closer together so the fusion process proceeds more rapidly.

Thus big stars will only spend a few tens of millions of years on the main sequence while stars the size of our sun will spend ten thousand million years on the main sequence, and smaller stars (red dwarf stars) will spend trillions of years fusing hydrogen.

What do you think will happen if there is no heat and light?

Without heat and light, life on Earth would not be sustainable. Plants would not be able to photosynthesize to produce food, leading to ecosystem collapse. Additionally, extreme cold temperatures would make it difficult for organisms to survive, ultimately leading to mass extinction.

Why is the suns energy important to the earth?

it is important because the plants need it to grow, human beings use the solar energy in the sun to slow global warming and some animals eat plants but the carnvores eat animals that eats plants..

What is geo thermal energy used for?

Geothermal energy is used for generating electricity and heating buildings. It harnesses the heat stored beneath the Earth's surface to produce power through geothermal power plants or directly through geothermal heat pumps for heating and cooling systems.

What do all living things contain?

All living things contain cells, which are the basic building blocks of life. These cells contain genetic material, such as DNA, that carries instructions for how the organism functions. Living things also contain proteins, which are essential for carrying out various biological processes.

How do we get natural gas?

Natural Gas contains Carbon Dioxide, Hydrogen Sulfides, O2 Oxygen, Nitrogen, Arsenic, Mercury. For removal all these things from natural gas, Natural gas processing companies applied a gas treating and sweetening process by using gas processing equipment like Membrane System, Amine Plants, Oxygen Removal Plant, H2S Removal equipment to make it suitable for transport and sale.

To know more go to Blue Sky Midstream.

Is geothermal energy available in Ohio?

Yes, geothermal energy is available in Ohio. The state has geothermal resources that can be harnessed for heating and cooling purposes through ground source heat pumps. These systems use the stable temperature of the Earth to provide efficient and renewable energy for residential and commercial buildings.

How can water heated by the sun make electricity?

Water heated by the sun can be used to create electricity through a process called solar thermal power generation. In this process, the heated water is converted into steam, which drives turbines connected to generators to produce electricity. This is a renewable energy source that utilizes the heat from the sun to generate power.

What are the two primary energy sources that drive the food chain that feeds humans Why are two energy sources required when natural ecosystems normally only require one?

The two primary energy sources that drive the food chain are sunlight and organic matter. Sunlight is needed for photosynthesis to produce plant matter, which is then consumed by animals for energy. Organic matter is essential for decomposers to break down dead organisms, recycling nutrients back into the ecosystem. Having two energy sources allows for a more efficient transfer of energy between trophic levels in the food chain, ensuring a balanced and sustainable ecosystem for all organisms.

Where does almost all the energy on earth come from?

Almost all the energy on Earth ultimately comes from the sun. Solar energy is trapped by plants through photosynthesis, which forms the basis of the food chain. Additionally, solar energy drives weather patterns, ocean currents, and the water cycle.

Is one plus one always two?

Yes, unless you use some non-standard definition.

What term describes the disorder of random molecular motion?

Brownian motion describes the disorder of random molecular motion, which is caused by the collision of molecules in a fluid. This phenomenon was first observed by botanist Robert Brown in 1827.

How do hurricanes gather energy?

Feature September 26, 2005 Researchers Explore Mystery of Hurricane Formation All Atlantic hurricanes, no matter how grand they may become, begin the same. Each starts as a small disturbance in the atmosphere above equatorial Africa. These disturbances, called tropical waves, head west and, if conditions are just right, they increase in size and start spinning. Some develop into tropical depressions, grow into tropical storms and finally evolve into full-blown hurricanes. "The mystery is why does it happen," says JPL researcher Bjorn Lambrigtsen, "There is a constant stream of these tropical waves coming off the coast of Africa, but most don't turn into hurricanes." Lambrigtsen is the microwave instrument scientist on the Atmospheric Infrared Sounder on NASA's Aqua satellite. "Understanding how hurricanes form will help us be able to predict how they evolve and where they may go." This past summer Lambrigtsen headed off to Costa Rica with a group of NASA researchers to learn more about the birth of hurricanes and to test some of the latest weather technology. He took along a special instrument designed and built at JPL with hurricanes in mind. The High Altitude Monolithic Microwave Integrated Circuit Sounding Radiometer uses the latest microwave technology to make three-dimensional measurements of temperature, water vapor and liquid water in the atmosphere. Because it uses microwaves, it can see through clouds to the inside of a storm. It is a prototype for instruments that will fly on the next generation of weather satellites. "For a tropical wave to turn into a hurricane, it needs something to give it a twist and it needs convection," says Lambrigtsen. A hurricane is a giant heat engine like a boiler, he explains, taking moisture from the surface and shooting it skyward. As water vapor condenses into rain, evaporates and condenses again, it releases energy that helps drive the engine. "Our microwave atmospheric profiler measures how temperature and water vapor are distributed inside the hurricane," says Lambrigtsen," so we get a picture of the storm's internal processes and how energetic it is." Researchers picked Costa Rica for this latest hurricane field experiment, called the Tropical Cloud Systems and Processes mission, because of its geography. "There was an idea that tropical waves coming across the Atlantic might just get that little twist they need to turn into hurricanes by coming across land," says Lambrigtsen. "We thought that this might be where Eastern Pacific hurricanes get their start." "Atlantic hurricanes typically evolve into tropical storms while still over open water far out in the Atlantic - often so far that it is difficult to reach them," he explains. "Eastern Pacific hurricanes also often have their origin in Africa, but in their case they do not evolve into tropical storms until they pass over Central America into the Pacific -- the cyclogenesis takes place during the crossing or soon afterward. We realized that we stood a greater chance of being able to fly over an early-stage system in the vicinity of Central America, and we'd be able to reach both Atlantic hurricanes that formed in the Gulf of Mexico, as some of them do, and Eastern Pacific hurricanes that formed not too far out in the Pacific." For their experiment, they brought together six specialized weather instruments, including the microwave atmospheric profiler, to fly on NASA's ER-2 aircraft, a research version of the famous U-2 spy plane. They planned their flights to coincide with overflights of NASA and National Oceanic and Atmospheric Administration satellites to get the maximum amount of information possible. Comparing data from the airborne instruments with that from the satellites helps validate the satellite measurements, another of the field campaign's goals. Data from the JPL profiler are especially useful for validating satellite observations by the Atmospheric Infrared Sounder's suite of instruments, which includes microwave sensors. In early July, Lambrigtsen and his colleagues mounted the 50-kilogram (100-pound) instrument on the wing of the ER-2 aircraft, and hoped for the best. This was only the second outing for the microwave profiler; its first was in a similar field experiment in 2001. The researchers didn't have long to wait. Hurricane Dennis, the first major storm of the 2005 Atlantic hurricane season, was taking shape unusually early in the nearby Caribbean. "We flew over Dennis three times in five days," says Lambrigtsen. "We were able to catch its evolution from a tropical storm into a hurricane." "Hurricanes are such severe storms that it is hard to fly through them," Lambrigsten says. "The Air Force flies just twice a day through hurricanes to measure wind speed. Most satellites can see only the tops of the storms, only a few can look through the clouds and they mostly get only a fleeting glance as they pass overhead. Having our instruments on the ER-2 flying above the storm, we were able to look down and into the hurricane. It's like having our own little satellite that we can dedicate to that one storm." In addition to being able to view Dennis' growth, the researchers also caught a glimpse of their primary target -- the moment when a tropical wave starts spinning. "We were able to catch cyclogenesis near Central America," says Lambrigtsen. "We observed one wave that developed cyclonic winds and started to become an organized storm but later fizzled out and several tropical waves that didn't evolve very far. Once we have had a chance to study our data, we may be able to answer some of the questions about when this happens and when it doesn't. This is tricky stuff, we're not normally aware of what is happening with a hurricane until it has been named and well on its way to becoming a big monster." Alan Buis/JPL (818) 354-0474 Jet Propulsion Laboratory, Pasadena, Calif. Written by Rosemary Sullivant

Why should the filament of bulbs be thermally isolated?

Energy, in the form of electricity, causes the filament to heat up and give off light. Any energy which the filament loses by heating the bulb does not create light, and so is wasted. Thermal isolation minimizes the heat loss of the filament, and therefore reduces wasted energy.

Do trees use energy?

Trees take their energy from the Sun by the process of photosynthesis in the leaves. This process uses the Sun's energy to take carbon dioxide from the atmosphere, and separate out the carbon and oxygen atoms. The carbon is used to form the tree's tissues while the oxygen is released as a waste product.

The energy used in separating the carbon-oxygen bonds is recovered when the wood or leaves are burnt, and new carbon-dioxide is released.

What material will allow electricity to flow between the battery and the light bulb?

A metal wire is typically used to allow electricity to flow between the battery and the light bulb. Metals are good conductors of electricity due to their free-flowing electrons that can carry electric charges. The wire completes the circuit, allowing the electric current to travel from the battery to the light bulb, providing power for it to illuminate.