Being timed ya girl out ! select the word from the list that best fits the definition supports the theory that the universe is expanding

answer choices;
parallax
light-year
main sequence
h-r diagram
red shift
fusion
elliptical galaxy
barred spiral galaxy
irregular galaxy
milky way galaxy

Identify the main component f natural gas

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex