Science is basically a process of observation, experimentation and inference. Any student who keeps himself aloof from the practical observations of scientific concepts finds them difficult to understand. Online Science tutors help you greatly with their practical approaches and real life contexts for learning concepts.
Many students opt for Biology on account of its career prospects and major advancements found in the field. Those who have a penchant for knowing health care issues are sure to have an idea of the biological factors that affect human activity and the environment as well.