1- New theories propose that catastrophic impacts of
asteroids and comets may have caused reversals in
the Earth's magnetic field, the onset of ice ages,
splitting apart continents 80 million years ago, and
great volcanic eruptions.
(A) splitting apart continents
(B) the splitting apart of continents
(C) split apart continents
(D) continents split apart
(E) continents that were split apart

2- Found throughout Central and South America,
sloths hang from trees by long rubbery limbs and
sleep 15 hours a day, moving infrequently enough
that two species of algae grow on its coat and
between its toes.
(A) sloths hang from trees by long rubbery limbs and
sleep 15 hours a day, moving infrequently enough
(B) sloths hang from trees by long rubbery limbs,
they sleep 15 hours a day, and with such
infrequent movements
(C) sloths use their long rubbery limbs to hang from
trees, sleep 15 hours a day, and move so
infrequently
(D) the sloth hangs from trees by its long rubbery
limbs, sleeping 15 hours a day and moving so
infrequently
(E) the sloth hangs from trees by its long rubbery
limbs, sleeps 15 hours a day, and it moves
infrequently enough[/b]