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Question:

The majority of Earth's air is composed of `______`.

A Nitrogen.

explanation

Earth's air is approximately 80% nitrogen.

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salam11112003

1 year ago

Please add daily reminders!

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Tim Colby

1 year ago

excellent app, using it for the second time to prepare myself and refresh my memory for the ASVAB.

<img alt="" data-src="https://secure.gravatar.com/avatar/f79cda84d2c4b7b363385b30bb67cb0f?s=64&d=mm&r=g" class="lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img src="https://secure.gravatar.com/avatar/f79cda84d2c4b7b363385b30bb67cb0f?s=64&d=mm&r=g" alt=""/>

Chris Carter

1 year ago

BRUH!

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