C
It does not affect the brightess of a lightbulb
__Hello__
Here is the answer: <em>''</em><em>Atom is the smallest unit of living things.''</em>
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One more information: <em>''</em><em>Atoms contain electrons, neutrons, and protons.</em><em>''</em>
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<u><em>-userKate</em></u>
Explanation:
R = A + B. Vectors in the opposite direction are subtracted from each other to obtain the resultant vector. Here the vector B is opposite in direction to the vector A, and R is the resultant vector.
Answer:
They must be supported by evidence.
Explanation:
Every scientific theory or scientifc claim must have scientific evidence.