Rust forms when _____ reacts with chemicals in rocks.
Rust forms when oxygen reacts with chemicals in rocks, and that is often the case with many other elements in general. Like a copper nail being exposed to the air will rust.
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The United Nations declared 1990's-2000 as the International Decade for
The characteristic of ____ is used in the breaking pads of cars.
Asia's longest bi-direction road tunnel to be launched in ?
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M=P(1+i/365)^365n
Geostationary orbit is at a height of
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