It is "B. Cleaning a countertop with a sponge and
<span> rinsing it out to reuse" that represents and example of conservation. Re-using items is better than throwing them away if possible. </span>
11. C
12. A
13. B
16 and 17. Dont know sorry
The largest shield-shaped cartilage of the larynx is the cricoid cartilage. It's where we enter when we do an emergency surgical cricothyrotomy to help a patient breathe.
