Answer:
1. Parents from both species.
2. Because of natural selection.
Explanation:
The answer to this is solved through stochiometry: the answer is this: 0.0833mol
3.4g AgNO3 x (1 mole AgNO3/169.8732g AgNO3) x (1 mole Ag/1mole AgNO3) x (107.8682g Ag/1 mole Ag) =
<span>2.2 grams Ag </span>
<span>(2 significant figures </span>
A is your answer Have a wonderful day