Explain why there are a large number of marsupial mammal species in australia and south america, two continents that were once connected.
a)
ozone production
eliminate
b)
continental drift
c)
the fifth mass extinction
d)
the first mass extinction

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)

the puritans were a group of people who grew discontent in the church of england the common unity strengthened the community.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)

c or d. good luck !