Must be If a population is growing quickly in a small area, then the
increasing as well.
O A. economic output
B. death rate
C. population density
D. agricultural output
SUBT

population density (option C)

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.