Can someone please help me with this? i already asked but it got deleted. PLEASSE ?.

Explanation:

7.) C

12.)N

13.) P

14.) L

16.)L

18.)N

19.)C

20.) L

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

give brainliest

water pollution kills aquatic life. aquatic life includes algae and other plant life that use photosynthesis. photosynthesis takes   c02 out of the air.  

c02is a greenhouse gas.