Some energy is always lost as heat
hope that helps! :))
The correct answer is A. Petroleum is not a raw material for the production of biofuels. From the name itself, biofuels are obtained from biomass. Biomass are organic materials for example are the choices given in B, C and D.
Answer:
Option D is the correct answer! IG ;)
Explanation:
Hope it helped and is correct!
Explanation:While a constant supply of freshwater happens by itself in natural streams, an aquarium is by definition, a closed system. So here, man has to help out in order to provide new..
