Answer: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

(d). details in the selection, can help you study and draw conclusions about the originating culture.
Answer:
C. Low voter turnout at elections will eventually lead to the country becoming an oligarchy.
Explanation:
A is not the answer because many citizens are not interested in a vote though it is mandatory.
B is not the answer because citizens are not the policymaker.
C is the answer because if citizens don't use their rights, the governor misused their power.
D is not the answer because the only vote is not patriotism. Patriotism is a sense of feelings about their county.
Answer:
I think it would be the elderly.