Pick from:
[I] salt and water.
[II] riding a motorcycle
[III] genetic diversity
[IV] riding a car
[V] Quality of life
[VI] food and shelter
[VII] riding an airplane
[VIII] riding a bike
Q: You are presented with the quiz "What is one thing that is not bad for a habitat?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "riding a bike does not cause pollution" and "pollution One of the ways habitat is degraded is by pollution". So, what's the best answer to the question?
A:
[VIII]