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.
Que Es eso? Porque yo no se
B, because as energy is move up form the phyramid, energy is lost.
<span>the alleles that control which blood group antigens appear on the suface of red blood cells are codominant.</span>
