Answer:
Option c
Explanation:
In experimental design, there are lots of test to certify the essence of the design. When there exist an independent variable, every measure of control is applied to it to test if it measures the expectation ,so there can't be one or two control measure not applied to the independent variable, we have to test every respective attribute of the control measure, we have randomly apply different theories to see if the control measure with its independent variable meets standards that is why Option C is not a requirement
they don't have this guy stealing your milk
The answer is the first option.
The most cooperative form when interacting with people is the communication by face to face.
Answer: A
Explanation
The information conveyed by face to face communication is relatively rich because it allows simultaneous observation of body language, Expression in face, and also the voice tone, which provides the people with a proper understanding of the context.
Face-to-face contact is plays a predominant role in initiating the relationships and collaborations.
Face-to-face meetings are ideal when teams must wrestle with complex problems.
Without interactions by face to face , the work groups form very slow and never fully. Thus, people are very cooperative while interacting face to face in a communication.