If a rubber duck Is floating In water, what would the medium be? A. Kinetic Energy
B. The Water
C. The Duck
D. Gravity

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.