In addition to gases, air also contains Particles.
Answer:
You get half of your dna from each parent
Explanation:
Answer: In most chemical reactions, bonds are both broken and made. Energy is absorbed when bonds are broken, and released when bonds are made. The sum total of the released (negative) energy and absorbed (positive) energy determines whether the overall reaction is exothermic or endothermic.
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acid test
Explanation:
the first test the chemist should do is an acid test
