YES!! At each point on the mirror, imagine that there is a very small flat piece of mirror that is tanger to the surface there. I hope this work for you:)
I would say that the brain stem would automatically send a message to the muscular rib cage & your diagphragm to make them work harder.
Hope this helps :))
Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
I think A is the answer its hard to explain but i hope this helped.