They could crash into each other they could also do illegal activities
One reason there are very few subsistence farmers left in Africa is because everyone needs cash nowadays. Subsistence farming is when you only plant to feed you and your family. It is hard for the people in Africa to even have money to grow food without selling it to plant more. The correct answer is A.
Cynthia career field would be a office job such as assisting a CEO or leader of a company.
Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.