Well 1000×3=7500 so it would of gone through 3 half-lives
A & C.
much debated nuclear power plants uses nuclear fission power stations, with uranium-235 as the source if fission. It is "non-renewable" according to the Energy Information Administration.
burning wood is also a non-renewable energy source
Answer:
have you finished this yet
Explanation:
Well I assume it’s 20/4 which is 5
Answer: The Answer Would be D. surveys that ask people their opinions of beaches
Explanation: the reason is because asking people about their opinions are irrelevant.
Hope it helps :D