The andromeda galaxy is approximately 1.5 x 1012 solar mass. based on the passage, what is likely true about the andromeda galaxy?

most of the galaxy’s mass is probably made up of dark matter.

over 1 x 1012 mass is probably made up of stars.

over half the galaxy’s mass is probably made up of gas and dust.

the galaxy’s mass is composed of stars, gas, and dust.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

What terms describes being out of water after being submerged