...I am a licensed Earth Science teacher in the state of MA. I have been teaching a high school astronomy course for 5 years. Teacher in MA for 16 years. (read more)
...I also work in biotechnology, so my job requires daily usage of acid-base chemistry and biochemistry. Whether it's in preparation for a college exam such as the ACT or the SAT, or simply grade school, middle school, and high school vocabulary lists, I have the skills to get those words embedded ... (read more)
...My name is William, but you can call me Billy. I am currently an undergraduate environmental science student at the University of Massachusetts Lowell. I am a knowledgeable person in the world of environmental science and still gaining knowledge in geology. (read more)