2. Which of the following is true about matter? a. Matter can only change states once or twice.
b. Water is the only kind of liquid matter that can become a solid.
c. Matter cannot be created or destroyed.
d. When water changes from a solid to a liquid, its total amount changes.

the answer is D

Explanation:

when water is frozen it becomes solid.. when it melts it becomes twice much water than before

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.