Answer:
Your answer is E). Fossils in different layers will obviously be much older/younger than others.
<span>B) anaerobic respiration</span>
QUESTION:Which of the following can typically decrease genetic variation?
toxins
predator-prey relationships
competition
new habitat
disasters
increased food supply
ANSWER:
1. toxins
2.predator- prey relationships
3.competition
4.new habitats
5. disasters
B!! Because it talks more about the question
