Answer:strength or power to sustain mental or physical activity
Explanation:
B!
This is because gravitational pull energy needs a height. The higher the height the higher the energy.
Yellow has the lowest density. I took the test and got this question correct. :)
I think it might be D because all waves travel through a medium. I might be wrong though.
A quasar - <span>Quasars are very distant objects. They are really bright masses of energy and light. The word quasar is actually short for quasi-stellar radio source or quasi-stellar object. This high amount of energy in such a small area can only be formed by matter falling towards a Black Hole. That's why quasars are believed to be huge black holes in the center of young galaxies.
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