Amiddle age star that burns hydrogen is a

a. main sequence star
b. neutron star
c. white dwarf
d. pulsar

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen