Halo, any of a wide range of atmospheric optical phenomena
The answer is A I believe
The series of events that take place in a cell<span> leading to its division and duplication (replication) that produces two daughter cells. </span>
Answer:
having exactly the same DNA sequences, twins start accumulating genetic variation from the earliest stages of development, researchers at Iceland-based company deCODE genetics found, meaning that one twin harbors variants that aren't present in the other.