When wax is heated, it turns into a liquid. How are the wax molecules affected by this change of state? The molecules gain energy
The molecules lose energy
The molecules move closer to one another
The space between the molecules increase
The space between the molecules decrease

the CORRECT answer is the "molecules gain energy" because with heating comes energy transferring into the wax molecules. and "the space between the molecules increases" because the molicules will want to space apart because of the heat

Explanation:

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.