If the half-life is 5 minutes, then 30 minutes is equivalent to 6 half-lives. So, after six successive half-lives, the 400 mg of the radioisotope would have a mass of 400(0.5)⁶ = 6.25 mg.
Thus, A would be the correct answer choice here.
What the heck are you studying lol?
Answer:
3
Explanation:
This is because I believe it will adapt through evolution
Im not sure but ill message u the answer when i get it
Answer:
I do believe humans will always destroy the Commons that are shared.
Explanation:
Homo Sapiens are very ignorant, we tend to think there is no such thing as a limit. We also take action out of emotion, such as spite, jealousy, anger, or just want. If you can't have it, they can't have it, if I want to drive my range Rover through my neighbors property just for fun, I'll do it because I don't think there will be any consequences, I can do whatever I want. That is often how we think.