Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill. Which statement best describes Gabriel’s measurements? They will remain constant. They will both be recorded in joules. They will both be recorded in hertz. They will involve compressions.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

c) should be the answer.

the answer is 0.42 is that is an option. this question provides no info