Not too easy. Not too difficult.
It is a good overview of the sciences for an introductory course. It covers chemistry, biology, microbiology, and ecology.
For me it was a good review ; I had taken science classes twenty years ago.
Hours per week:
Advice for students:
Read the text and the "Muse" before taking the Intellipath tests. The lectures are archived so that one can access a lecture at one's available time. Definitely listen to the lectures.