.org, .gov, .edu are usually the most reliable domains when it comes to dealing with english related assignments.
.org - means the website is from an organization, without the intention of selling commercial products.
.gov - is from the government so we know that this is reliable
and .edu is usually for university websites.
Hope this helped.
I would say geysers for sure
I think this would be a or d
The correct answer is d I think
Clarifier/elaborator because this person could help other people understand different viewpoints by clarifying them and making it easier.