I think the answer is d ... hope this helps
You forgot to add the answers but a non living factor that could contribute could be something like temperature.
Explanation:
this is mainly because when water evaporates, it leaves behind minerals, and even pollutants and goes up as clean water
Based solely on the situation given, the most correct answer is (b) DSM requires a recurrent pattern of problematic use. DSM<span>-IV Criteria for </span>Alcohol<span> Abuse states that "</span>alcohol<span> abuse" should be manifested by plenty of factors, including: RECURRING </span>alcohol<span>-related legal problems.</span>
They are sandwiched between two layers of heads. Recall that the heads are hydrophilic therefore they will always be on the outside and the tails are hydrophobi therefore they willl always be away from water, there fore sandwiched. I'm a bio major, hope I helped :)