From the context of the question, I am going to say placebo. This is me assuming, however, that both groups were told that their drinks had the protein powder
Answer:
The amount of energy in a sound wave is called
Volume
The correct letter answer is A or C. Choose whichever one you want. I think it's C, but you can consider A also. :)
Answer:
It improve a you childs state of mind remebering the sahpe or the size of something and puzzle are fun and simple toys for toddlers and it gives them an early spark of education
Explanation:
Family member is studiying
