Some elementary particles are positively or negatively
a. adverse particles.
b. charged particles.
c. fueled particles.
d. progressive particles.

Which is an example of a reversible physical change?

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms

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