Answer:
The mutations occur at a rate of 0.56 base changes every 1 billion years. If this rate stays consistent, the mutation rate can be used to determine when different lineages of a particular species split
Water is a basic need for every organism
Answer:
Bone repair uses the same formation patterns as bone development
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
