Answer:
supporting evidence explains or shows why your claim is true. ex: the bus will come at 9 am evidence: bus schedule
Explanation:
Half life does not depend on the mass of the sample.
Half life of N16 was determined to be 7.13 seconds by Godwin H. in 1962, according to Wiki.
Note that this is not a geography question. Please use the appropriate subject/category when asking questions in the future.
Well, a stratovolcano is incredibly violent, so there is a big chance it is B.