It's my mid-term exam

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?