Compared to the Sun, all other stars look like points of light in
the night sky because the stars
Select one:
O
are much farther away than the Sun
O
give off much less light than the Sun
O
are much smaller than the Sun
O
give off different colors than the Sun

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

multiplying and dividing the two decimals and the eqations by the same number of the overalls

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%