I think the answer is *productive.
1. Volcanologists agree that eruptions still cannot be predicted with absolute certainty.
<span>(needs citation because who are you to know what most volcanologists agree on? Need to give a good citation for this "fact" which someone else may not agree) </span>
<span>2. If every home in America replaced one incandescent light bulb with an energy-efficient fluorescent light bulb, the energy savings would be enormous (Marcato, 78). </span>
<span>(Note, I put a comma after author Marcato, and you would have to title, IF you had two different sources by author Marcato) </span>
<span>3. Use the book's title instead of the author's name. </span>
<span>BTW, this is not a "history" question, but a research paper question, IMO. </span>
<span>Note, you must have a bibliography attached to paper when making citations, to give complete data in regards to where you found your sources cited.</span>
Crypto, a new kind of money that is expected to take over the world.
Success, a step that can makes impact to the world.
