Answer:
i think b is the answer hope this helps:))
Chromosomes have genes, and genes are segments of DNA.
Answer:
it depends on how you use action Because action means you are doing something and maybe action like reaction or something like a feeling if a bomb occurs that is the action.
Answer: 20 mg Te-99 remains after 12 hours.
Explanation: N(t) = N(0)*(1/2)^(t/t1/2)
N(t) = (80 mg)*(0.5)^(12/6)
N(t) = 20 mg remains after 12 hours
The answer would be a metal, most likely copper. hope this helped (: