Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.
Answer:
Cell replication occurs in the nucleus of the cell
Explanation:
<em>A<u> population </u>is a group of the same kind of living things in a ecosystem.</em>
<em>~I hope this helps! ;)</em>
