Define three (3) branches or areas of physics. And how they coincide with each other

Phase changes are chemical changes. true or false

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

Which composition of water moves to begin a deepwater current?