True or false? if a black hole ten times more massive than our sun were lurking just beyond pluto's orbit, we'd have no way of knowing it was there.

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d

These are the abiotic factor or biotic factors that restricts the numbers, reproduction, or distribution of organisms.

Those who hope that land reform will end the problem of mass poverty and social inequality throughout middle and south america often cite as one of the causes of the problem. a. asian immigrants b. the indigenous population c. european systems of landholding d. the power of the roman catholic church