Who authored the article? Is this person a scientist or an expert in chemistry?
What is the purpose of the article?
Does the article state facts that scientists can prove with evidence?
Are there opinions in the article?
How old is the article?
Do other credible sources support the statements in this article?
Find some credible websites, and note the information they contain. Write down two or three sources that you’ll use for your presentation, and cite them using MLA (Modern Language Association) citation methods. Write one or two sentences stating how the source will help you answer the questions from part A.