D. Oxygen
It refers to the pathway by which a chemical element is moved through both the abiotic and biotic compartment of an ecosystem.
A would be your answer! Have a great day love!
<span>The two tiles are not similar because segment PQ is to segment QR is 7 : 4 and segment JK is to segment KL is 4 : 3.</span>
Answer: C
Explanation: You can tell when the % of corn increases so does the weight gain.