Potentially renewable biomass is currently being exploited in unsustainable ways because of
a. inefficient burning of wood in open fires
b. use of inefficient stoves
c. soil erosion
d. all of these
e. none of these
Answer: D
Potentially renewable biomass is currently being exploited in unsustainable ways because of
a. inefficient burning of wood in open fires
b. use of inefficient stoves
c. soil erosion
d. all of these
e. none of these
Answer: D