There are
50 protons in tin
50 electrons in tin
And 69 neutrons
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The statement above is FALSE.
Waste solvents are both flammable and toxic.
Waste solvents refers to the liquid waste obtained from the chemical processes that are performed in a laboratory. Such waste are labelled as hazardous, which means, they are toxic and harmful.
Answer:
OB
She can count the leaves on two branches and average the result.
Explanation:
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