Question

How many types of sources? explain?​

Answer 1

Answer:

In general, there are three types of resources or sources of information: primary, secondary, and tertiary. It is important to understand these types and to know what type is appropriate for your coursework prior to searching for information.

Answer 2

Explanation:

These resources, called productive resources, are often classified into three groups: natural resources, human resources, and capital resources. Natural resources (often called land) refer to resources such as coal, water, trees, and land itself. Raw materials used in production come from natural resources....