Modern classification, otherwise known as taxonomy, was invented so as to have a single system used throughout the entire world in understanding different types of beings in existence. This way you avoid having different names for same things.
Answer:
Changes in land use through time with extrapolations
Explanation:
Population data and projections are from UNDP
Answer:
Hmm.
Explanation:
C. Reduce the need to use fossil fuels
( If it's not C, then try D)