The answer is letter A. Make hand hygiene more effective. In the hospitals, staffs and employees know which product is more effective since they have laboratories where the can test the components and ingredients. Additionally, hospitals won't advised their patients to use a certain product if they haven't tested it by themselves.
The most important way of preventing bullying is by being nice. By being nice, you can make new friends and help them when they are being mistreated. Another way to prevent bullying is by speaking up when you see something that you know is wrong. If no one speaks up, then the problem can’t be solved. I think it’s most important to treat others how you want to be treated. You may not receive the same in return, but at least you know that you are being the best person you can be and helping others.
I think (C):600
Explained: other sources say there is about 650 but if you count the muscles within a complex muscle then about 840
Answer: C. Communication accommodation theory.
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Explanation: