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GE 15 (ENVI SCI) - MATTER ENERGY AND LIFE
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Question:
What matter consists of ?
Author: KISSA THEA DISTORAnswer:
It consists of elements, which are substances that can't be broken down by ordinary chemical reactions. 122 known elements (92 natural, plus 30 created under special conditions) have distinct chemical characteristics.
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KISSA THEA DISTOR