Answer:
a. include very detailed descriptions and explanations
Explanation:
Effective notes prepared from a lecture or reading material should ideally include concise, brief, to the point explanations, laying emphasis on main headings and main concept lines.
The objective of preparing notes is to reduce massive content into small easy to recall content which can be readily referred to as per the need.
Neat, well organized, concise comprising of key words and important information would make for an effective note. Preparing lengthy notes with detailed explanations and unnecessary information would be a wasteful exercise.
