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How do chemicals affect the environment

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Q: How much of the earth's surface has been covered by water?
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What percent of earths surface has been altered by humans?

75%


What percent of the earths surface has been altered by humans?

75%


What are solid particle that have been deposited on earths surface called?

Sediments is pieces of solid material that have been deposited on Earth's surface. The sediments have been deposited by wind, water, ice, gravity, or chemical precipitation.


How did salt water get invented?

Salt water is NOT invented, it has been there for ages and everywhere: two-third of the world's surface is covered by oceans full of salty water.


True or false most of the outer surface of the earth's crust has never been seen by humans?

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The answer is flood what is a question for that answer?

what is the word for when a land has been covered with water?


Why is most of Earth's surface is covered by oceans?

Although we are not completely certain about the origin of water on Earth, it seems that there have been a lot of comet impacts, much earlier in the Earth's history, and those comets brought our planet lots of water, which now covers most of the surface of the Earth.


What layer of the earths ground is turf?

The surface layer of ground is turf. It is a layer of earth that is covered with grass. Turf is very noticeable because it's the only thing that one sees when one looks at the ground, unless there has been some digging.


Whether you could see it or not how much of the Earths surface is always lit?

Ask dominick Bass he knows. Been


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