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

Freud was the first one to use that perspective. He was the first to talk about the unconscious mind. Earlier psychologist used behaviorism or other forms of psych but he talked about the unconscious mind and how powerful it was this that made him very popular
George Washington was the first president the United States had. In order to build the Federal government of the new republic, president George Washington had to take two steps:
- He decided to set up a Federal court.
- He made the cabinet where four trusted advisors (Thomas Jefferson, Alexander Hamilton, Edmund Randolph and Henry Knox) would help and advise him.