Answer:Peer reviewed journal articles
Explanation:
<span>a.
identifying several solutions to a problem
b.
questioning source information
c.
implementing the first solution to a problem identified
d.
verifying source information</span>
Rotating crops and using fertilizer replenish the soil with nitrogen, an essential element for all living things.
Does the question have choices?
Answer:
oxygen because that's one of the substance that plants produce.
You can also do this by the process of elimination. Knowing that atrazine impedes the production of substances in plants, we know that it can't be DNA and Phospholipid. Carbon Dioxide is used by plant, not produced; thus, oxygen is the answer.