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.
<span>The correct answer is D) Pour the contents of the saucepan into the baking dish. This means that you should pour it all into a baking tray and bake it in the oven, instead of cooking it on the burner in a sauce pan. This part of the recipe is usually near the end of the dish as the process rarely goes the other way around</span>
Answer:

an invented long word said to mean a lung disease caused by inhaling very fine ash and sand dust.
hope helpful <3