Answer:
I believe the answer is A.
Explanation:
I'm a dancer, and I know that without the agility to transition between different dance moves quickly, you can't travel as far. Sorry if this is wrong, I'm not 100% sure. Hope this helps, good luck!
Answer:
If something happens to one friend you have another one that can help you. The more people you're with, the safrer you are.
Explanation:
Answer: d. double-blind
Explanation:
A double blind study can be define as the study in which both the researcher and participant do not know which participant is receiving a particular treatment. This method is useful as it prevents the bias in the results of the experiment.
The given situation is the example of double-blind study. Here, the participants as well as the researcher do not know which group of subject are receiving bacteria in the yogurt and which group is not receiving.