Which is a density-independent factor limiting population growth?
a. niche size b. volcanic eruption c. convergent evolution d. resource competition

The answer i think is d

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.

Increasing the release of greenhouse gases and pollution