I believe there are no prepositions in this sentence, here is an example of a few prepositional words:
about
below
excepting
off
toward
above
beneath
for
on
under
across
beside(s)
from
onto
underneath
after
between
in
out
until
against
beyond
in front of
outside
up
along
but
inside
over
upon
among
by
in spite of
past
up to
around
concerning
instead of
regarding
with
at
despite
into
since
within
because of
down
like
through
without
before
during
near
throughout
with regard to
behind
except
of
The answer would be
A. Raised
Answer:
Does the source include plenty of direct quotes that I could use in a report? should be asked by yourself when you're selecting sources for use in a research report.
A star system is a group of two or more stars that are held together by gravity. Astronomers have determined that more than half of all stars are members of star systems. A star system with two stars is called a binary star. The two stars orbit each other, held together by gravity.
