Answer:
b is the correct answer
Explanation:
and i learned this in school and i have been doing this for good hope it helps
as an empire on top of mountains so no intruders could get in.
Activity theory is a framework or a descriptive tool for a system. Consider the entire activity/work beyond just one actor or user. Accounts for environment, history of a person, culture, role of the artifact, complexity of real life action etc...
Answer:a. increased; remained almost unchanged.
Explanation: