200 is the answer let me know if you need anything
Answer:
A Half Life
Explanation:
The half life is the time it takes for the substance to become reduced by half as a consequence of decay.
Answer:
I don't understand the question
Explanation:
what is your name
The answer would be
A. It is mostly composed of Deciduous trees.
Answer:
I believe it is an Alkane
Explanation: