It is False that an observer must know that social learning is occurring for it to be effective.
For the first red, you don't need an article before "relationship".
When you're saying "type of [word]", do not put any article before that word.
Example: "a type of device"
Not too sure about the "your back" parts. It could be your teacher does not like repition.
Also not too sure about "did". He probably wanted you to use the word "felt" instead of "did feel"
The first word of the last paragraph should be "in" not "at".
The red commas definitely do not need to be there.
Don't know why he marked "time to" and "to" red.
It would be the last option- when you want tot compare and contrast ideas
Answer:Shakespeare wrote iambic pentameter because that was the most common verse meter of the time. He didn't establish it.
Explanation:
He wanted it to have a more natural, lyrical flow that is pleasing to the ear.