Answer:Nuclear fusion
Explanation:
Which event takes place first in the stages before the birth of a star? Gravity pulls gas and dust together. A protostar forms as mass increases. Nuclear fusion begins under high pressure.
Answer:
Natural selection can only fail if there is variation among members of the same species. ... Variation in a population effect from change and the rejoining of alleles during meiosis and fertilization.
Explanation:
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Answer:
Explanation:
very great at the morning but now i am bored..
no positive things happened till now
the internet is disturbing ang irritating me i can't completing my work.
