Label I believe but are there answer choices?
Answer:
a)nod her head.
Explanation:
nodding is a gesture most commonly, used but not universally, to indicate agreement acknowledgement or acceptance. so Karen agrees to her colleague's idea
You can keep it in the fridge for 1 - 2 days
Answer:
Option A, Student learns more video games than from classroom activities
Explanation:
Hypothesis embarks the starting point of any research. It is statement which is framed based on the observations which needs to tested through research investigation or experiment.
In this case, it is given in the question that experiment to be designed shall compare the difference between the learning outcomes of two forms of education.
Hence, the hypothesis should be a statement presenting a conclusion that compares the effectiveness of one method over the other.
Hence, option A is correct