Question

what are the primary economic activities ...?

Answer 1

economic activity produces consumer goods or provides services..examples of primary economic activities includes these examples..
commercial fishing
farming(growing crops or animal husbandry)
quarrying-extracting sand or gravel
mining of minerals- oil and gas extraction 
forestry and logging
irrigation
fish farming or aquaculture
other types of economic activities are classified as secondary,tertiary, and quaternary..

Answer 2

Answer:

Primary economic activity is the activityin which we are making use of the natural resources for the production.

Explanation: For example:

Agriculture, dairy farming, mining etc.