Why Do We Need the Sun?

Answer

Generally, people need the sun because the sun provides the energy that maintains almost all forms of life on Earth. The sun is our source of natural light and warmth which is essential for survival. The sun is also important to humankind because it helps our skin manufacture vitamin D.
Q&A Related to "Why Do We Need the Sun"
Though humans perceive the sun as yellow when they look directly at it, it is actually white. The sun is made up of a collection of gases, such as helium, hydrogen and other elements
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If the sun was just turned off, any preparedness would be about fighting for days. The earth would start to cool towards about -240 C that is the stable surface temperature caused
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We depend on it for heat and it makes plants grow and if there are no plants the herbavoires die then the carnivores die etc.
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The average distance from the Earth to the Sun is 92,900,000 miles (149,476,000
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2 Additional Answers
We need the sun for life, heat, and energy. Almost all living things require the sun to live and grow. Without the sun, Earth would be freezing and dark.
The sun provides a number of valuable services. One of them is the gravity that the Earth needs to stay in orbit. If the sun ceased to exist the Earth would shoot off into space. Another of these services is light and an even more important one than the light is the nutritional benefit of sunlight for all living things, plants most especially.
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Plants need the sun for them to grow and flourish well. They use light energy from the sun to change the materials, for instance carbon dioxide and water into ...
It is not clear why the sun is called sun. It is also not clear where the name 'sun' came from. The Romans called the sun 'sol', while the Greek name for this ...
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