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The sun provides energy for all ecosystems on Earth through photosynthesis. Plants and algae use sunlight to convert carbon dioxide and water into glucose, which is then used as energy by other organisms through the food chain.

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1y ago

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Why must it be the sun that provides thermal energy to the earth?

Sun provides heat to earth's surface. It provides thermal energy to the earth.


Name the energy source that starts heat travels as light and provides energy for all of earths food chains?

The sun is the energy source that provides heat and light for all of Earth's food chains through the process of photosynthesis. Solar energy is converted into chemical energy by plants, which is then transferred through the food chain to sustain life on Earth.


How does the sun provide heat and chemical energy to people on earth?

The sun provides heat to people on Earth through the process of radiation, where electromagnetic waves carry heat energy to our planet. This energy is then absorbed by the atmosphere, land, and oceans, warming them up. The sun also provides energy for photosynthesis, which converts sunlight into chemical energy that plants use to grow. Humans obtain this energy by consuming plants or animals that have eaten plants.


What does earth do with sunlight from the sun?

Sunlight warms the earth, provides light for us to see, and light so that plants and other photosynthetic organisms can use the energy to make food.


How does the law of conservation of energy apply to the sun-Earth system?

The law of conservation of energy states that energy cannot be created or destroyed, only transferred or transformed. In the sun-Earth system, energy from the sun is transferred to Earth in the form of sunlight. This energy is then used by Earth to power various processes such as photosynthesis and weather systems, while a portion is radiated back into space as heat. The total energy in the system remains constant due to this conservation principle.