Aman jogging in the park
a fully charged camera battery
a stove burner that's turned on
an apple on a tree
radiant energy
gravitational potential energy
motion energy
electric potential energy

it's c. (to reduce the greenhouse effect/carbon gasses)

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.