Different energy alternatives to fossil fuels

Assignment #1: Paper Due Week Three:
In a documented essay of 600 900 words please address the following questions, in your own words:
a?First discuss how energy can be converted from one form to another, giving specific examples
a?Define what we mean by fossil fuels and explain why there are an attractive source of energy
a?Describe two different energy alternatives to fossil fuels in detail. Discuss how they work, how they compare with fossil fuels, and their relative advantages and disadvantages.
This paper should adhere to APA style standards including the following: double-spaced, 1a? margins, title page, in text citation of references, and a reference page. (the name of my class is introduction to physical science.)