5. 100 C--14 atoms remain from a sample of 1600
C--14 atoms.
a.
How many half-lives have passed?
(Show your work)

This is so important ugh its 25 points

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.