Answer: a
Explanation: help future mothers or teens confused what is going on
Fatigue is typically one of the earliest symptoms of MS
2
The cell membrane has 2 layers and is not a solid structure, it has millions of smaller molecules that create a porous container.
Answer:
reason #1: They do drugs because they want to fit in just like their friends.
reason #2: To fix a problem in their life so they try doing drugs to see if it helps
reason #3: They use it is they are stress or peer pressure to do it.
reason #4: They might be heartbroken from a relationship they just ended so they go to the next thing which is drugs.
reason #5: Lastly but not least they want to relax so they try to do drugs to relax themselves.
Explanation: Hope this helps :)