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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

How are local energy systems in the desert related to global systems?

Local energy systems in the desert can contribute to global energy security and sustainability by utilizing renewable resources like solar energy. These systems can help reduce reliance on fossil fuels, decrease greenhouse gas emissions, and support efforts to combat climate change at a global scale. Additionally, advancements in desert energy technologies could lead to greater innovation and adoption of clean energy solutions worldwide.

What percentage of the suns energy that reaches the earth is absorbed by earth surface?

  • About 50 percent of the Sun's incoming energy is absorbed by the Earth's surface. In addition, about 9 percent is reflected.
  • About 22 percent of the Sun's incoming energy is reflected by clouds and the atmosphere.
  • About 19 percent of the Sun's incoming energy is absorbed by clouds and the atmosphere.

Why will crude oil eventually run out?

Coal, natural gas, crude oil are non-renewable fossil resources. Once used up they can't be replaced as they took millions of years to form in the first place. This why we are looking to develop alternative resources, wind, tide, solar, nuclear, and looking for new sources of existing fossil resources.

How places on the earth may be located using coordinate system?

Places on Earth can be located using a coordinate system, such as latitude and longitude. Latitude measures a location's distance north or south of the equator, while longitude measures its distance east or west of the Prime Meridian. By combining these coordinates, any point on Earth's surface can be pinpointed with accuracy.

How did the heat energy received by the cup of soil compared to the heat energy received by the cup of watr?

The cup of soil would receive less heat energy compared to the cup of water because soil has a lower heat capacity and thermal conductivity than water. This means that soil would heat up or cool down more slowly than water when exposed to the same amount of heat energy.

What is the main source of energy that drives weather and climate?

The main source of energy that drives weather and climate is the sun. Solar radiation heats the Earth's surface, creating temperature differences that lead to the development of weather patterns and climate systems. This energy drives processes such as evaporation, convection, and atmospheric circulation, influencing global weather patterns and climate dynamics.

What processes have resulted in the largest amount of thermal energy being transferred to earth's core?

The largest amount of thermal energy transferred to Earth's core is primarily due to radioactive decay of elements within the core and lower mantle. This process releases heat as a byproduct and contributes significantly to the overall heat budget of the planet. Additionally, residual heat from the formation of Earth and gravitational energy from density differences are also major contributors to the transfer of thermal energy to the core.

What role do large bodies of water play in earths climate system and the flow of thermal energy?

Large bodies of water, like oceans, help regulate Earth's climate by storing and redistributing heat. They have a high heat capacity, meaning they can absorb and release heat without significant temperature changes. This helps moderate the climate of coastal areas and influences global weather patterns through processes like evaporation and ocean currents.

What is energy that comes to the earth from the sun?

The energy that comes to Earth from the sun is known as solar energy. This energy is harnessed through various technologies like solar panels to produce electricity or heat for our use. Solar energy is an abundant and renewable source of energy that powers many of the natural processes on Earth.

Which does a fern ultimately depend on as an energy source?

A fern ultimately depends on sunlight as an energy source through the process of photosynthesis. This process allows ferns to convert sunlight into chemical energy, which is used for growth and reproduction.

Why only 10 energy is transferred to the next trophic level?

Only about 10% of energy is transferred to the next trophic level in an ecosystem because energy is lost as heat through respiration, movement, and other metabolic processes. This limits the amount of energy available for organisms higher up in the food chain.

What organic molecules serve as the primary energy sources for the body?

Carbohydrates, such as glucose, are the primary energy sources for the body. They are broken down during metabolism to produce ATP, which is used by cells for energy. Lipids and proteins can also be used for energy, but carbohydrates are the body's preferred source.

Why is energy important to organisms?

Energy is essential for organisms to carry out their life processes such as growth, reproduction, and movement. Organisms need energy to maintain their metabolic functions and to provide the necessary chemical reactions for survival. Without energy, organisms would not be able to sustain life.

Which organell of eukaryoitic is resposible for most of its energy generation?

The mitochondria is the organelle responsible for most of the energy generation in eukaryotic cells. It is known as the powerhouse of the cell because it is where cellular respiration takes place, producing ATP, the primary energy molecule used by cells.

How do green algae obtain energy?

Green algae obtain energy through photosynthesis, in which they use sunlight to convert carbon dioxide and water into glucose and oxygen. Chlorophyll, the green pigment in their cells, enables them to capture sunlight and carry out this process, providing them with the energy they need to grow and survive.

How does bio magnification compare with the energy pyramid?

Bio magnification is the process where toxins become more concentrated as they move up the food chain, whereas the energy pyramid shows the flow of energy through trophic levels with energy decreasing as it moves up. Both concepts illustrate the transfer of substances (toxins or energy) through an ecosystem, but in different ways.

How does persinia pestis obtain energy?

Yersinia pestis, the bacteria that causes the plague, obtains energy by metabolizing nutrients from its host. It uses glucose and other compounds to produce energy through processes like glycolysis and fermentation. Additionally, Y. pestis has specialized mechanisms to obtain energy and nutrients from blood and tissues during infection.

Why is the energy efficiency of biological systems typically very low?

Biological systems have low energy efficiency due to energy losses from metabolic processes, heat production, and thermodynamic inefficiencies. Additionally, the need for structural and functional complexity in biological systems requires the use of energy for maintaining cellular processes and homeostasis, further contributing to lower overall energy efficiency.

What is a primary source of stored thermal energy in oceans?

The primary source of stored thermal energy in oceans is solar radiation. Solar energy is absorbed by the ocean surface, heating up the water mass. This heat is then transferred and stored throughout the ocean layers.

What process do all the organism release energy?

All organisms release energy through the process of cellular respiration, which involves breaking down glucose molecules to produce ATP (adenosine triphosphate) for use as energy. This process occurs in the mitochondria of the cell.

What are Earth weather and ocean circulation powered by energy from?

Earth weather and ocean circulation are primarily powered by energy from the sun. Solar radiation drives various atmospheric and oceanic processes, including wind patterns, evaporation, and the water cycle, influencing weather patterns and ocean currents around the globe.

What cell produces energy for the cel?

The mitochondria is the organelle responsible for producing energy (ATP) for the cell through the process of cellular respiration.