Complete question, Answer and Explanation:
Due to technical problems, you will find the complete question, the answer, and explanation in the attached file
Oxygen's valence, based on the Number of valence electrons or outermost electrons that oxygen has would be 6.
Answer:
You need to know the conditions required for natural selection to occur. These include: overproduction of offspring, inherited variation, and the struggle to survive, which result in differential reproductive success. You need to understand genetic drift and gene flow
Explanation: