Answer:
The half-life (t1/2) is the time taken for the activity of a given amount of a radioactive substance to decay to half of its initial value. The mean lifetime (τ, “tau”) is the average lifetime of a radioactive particle before decay. The decay constant (λ, “lambda”) is the inverse of the mean lifetime
Answer: A. Average rainfall has decreased
Explanation:
I might be wrong. sorry if i'm wrong
near water or some kind of body of water
:)
Answer: both are changes of state and both are changes of state
Explanation:
.
Chromosomes are contained within the nucleus, so the answer is D.
