Answer:
λ = c / f or f = c / λ
f = 3.0E8 / 4.0E-7 = .75E15 / sec = 7.5E14 / sec = 7.5 X 10^14 /sec
10,000 units of momentum.
p=mv
20,000=m(2v)
10,000=mv
The answer is going to be C, Bacteria. Therefore the organisms that are used to manufacture human insulin would be bacteria.