Fifteen grams of a liquid plastic are frozen in a physical change that increases the volume. what can be known about the plastic after the change?
a. it will weigh more than 15 grams.
b. it will have an increased density.
c. it will still weigh 15 grams.
d. it will still have the same density.

c- It will still weigh 15 grams

Explanation:

Given

Fifteen gram of a liquid plastic are frozen in a physical change that increases the volume.

It is certain that the mass of plastic will remain fifteen grams despite the increase of volume as density of the plastic will automatically adjusted to get same mass

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the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.