Explanation:
Fear is a barrier as people fear being judged for things as there might be a stigma attached to it. When people are judged their problem isn't solved and instead worsened and they will feel compelled to keep their problems to themselves.
Answer:
invertebrates. animal's without backbone.
verterbrates- animals with backbone
Use this website, I remember having this question and I used this site
http://www.alaskakids.org/index.cfm/know-alaska/Alaska-Geography/Tundra
The physical need to eat food is called hunger
Maybe Dereks diet contains leaves. I honestly don't Know.