In a paragraph of five to seven sentences explain why internet sites like wikipedia are controversial research sources.

The websites such as Wikipedia might contain the a slight amount of right answers. But in other hands it can still be changed by another user or student. It can be spotted within days or secs. For example "Obama born in 1961" a few weeks later "Obama born in 1972".Those sites can be edited based on other people's own facts or other information they got it from else where.

Explanation:

I hope that helps for everyone.

from the political point of view it could be said that the candidate   is an effective speaker because she takes a strong position on the issue. it is an open discussion but probably she is making a presentation and can choose which subjects she wants to address. she is very likely to attain her aim which is to convince voters to accept her proposal.

1 - a

2 - a

3 - c

4 - b

5 - d