HEY DEAR..
1》 All stars die, and eventually — in about 5 billion years — our sun will, too. Once its supply of hydrogen is exhausted, the final, dramatic stages of its life will unfold, as our host star expands to become a red giant and then tears its body to pieces to condense into a white dwarf.
so options B is the correct answer.
2》protostar is the answer...
hope its helpfull
The relationship between the bone and muscle
They grow slow, It helps break the object down precisely as it's needed to be<span />
