Current observations of a new star forming support the nebular theory because they show a disk-shaped plane surrounding the star, which may eventually form

Providing immunity by injecting the body with a weakened form a pathogen is known as

Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.

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