Answer:
What Structures??
Explanation:
Can you please explain the question more
We can consider a chemical to be safe if it does not contain any harmful substances such as nitrogen, harmful acids, or even excessive heat. Other chemicals such as the chemicals used in food products like, for example, citric acid, is not so harmful.
Hope this helps! :D
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Answer:
A. a system that can be affected by the outside environment, by an exchange of matter or energy
Answer:
It is called the atomic theory I believe.
Explanation:
Answer:
Es la cantidad de protones menos la cantidad de electrones.
Explanation:
Es la cantidad de protones menos la cantidad de electrones.
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