Yes because you cannot establish credibility without a source that is experienced on the research topic. it would be like a janitor writing journals about brain surgery when he never went to school to get his doctorate degree and has no valid knowledge of the topic.
Answer:
Start of the ice age/ meterrite falling and hitting the earth/
Explanation:
The answer is c I believe
1. A
2. A
3. A
Hope this helps.
There is a stigma that they are either alcoholics or drug addicts and this is the reason for thier homelessness.