How to avoid lack of motivation to study?

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral

Lance is a member of the professional organization iceaa. he always attends its annual conferences because it provides a great opportunity for with members of the same profession. in addition to the conference, iceaa organizes for members who are seeking better employment opportunities.

What is the difference between a mixed and market economy