Answer:
D. A substance, energy source, or organism used by humans
Explanation:
Its not man made like the others
Answer:
Explanation:
The reason for this state of population density is massive increase in population while land resources is restricted. However in the future this rise can decelerate as birth rate in Vietnam has declined significantly in recent years.
It slowly makes the ground softer making it easier for it to dissolve
Answer:
The east are closer to the equator.
