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Solar Energy: Would Life Be Sustainable On Earth If We Have No Sun? (1/12/2012)

in Solar Energy



im doing a project on solar energy and i need as many facts on the sun that are available to me. PLZZZZZZZZZZZZZZZZZZZZZZZ help!!!!

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{ 5 comments… read them below or add one }

Lizzy January 12, 2012 at 1:46 am

you could go to this site: http://www.solarviews.com/eng/sun.htm

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Quina January 12, 2012 at 1:56 am

Without the sun,w e wouldn’t have plants. If we didn’t have plants, we couldn’t breath.

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Morgan January 12, 2012 at 2:46 am

No because the sun is what keeps us alive!!
u r welcome!!

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princess January 12, 2012 at 3:31 am

no it would be too could and plant need heat and sun light to live

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Skookum January 12, 2012 at 3:50 am

Life that doesn’t ultimately rely on the sun has not yet been found on Earth, but we certainly don’t know everything about “life” yet. For example, it was only recently that we learned that animals in amazing abundance live around volcanic vents (“black smokers”) in the deep ocean, far below where sunlight can penetrate. They thrive through chemosynthesis. Vent species rely not on photons from the sun but on chemicals from the Earth’s interior. Tiny microbes oxidize the hydrogen sulfide that diffuses out of the vents, providing nutrients for animals higher up the food chain. Some creatures, such as the mollusks known as gastropod snails, feast on the bacteria directly; others, including predatory fish, dine on animals that have eaten or otherwise made use of the microbes; still others, like tubeworms, host the microorganisms in their tissues in exchange for organic compounds that the bacteria fashion from the vent chemicals and seawater. (The only element from above that these microbes require for their artistry is oxygen, which is abundant in seawater and was originally produced, of course, by plants. So when it comes right down to it, even these life forms ultimately rely on sunlight.

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