its B the Appalachian mountains
<em><u>please mark as brainliest <3</u></em>
7.Both B A and B
8.A
not 100% sure
Duct Tape.
Remember the Dept of Homeland Security warning to purchase duct tape and plastic to help against biological or chemical attacks. And yes, NASA does send up duct tape with every flight. It was useful in the famous troubled Apollo 13 mission, and was credited in part with saving the lives of those astronauts.
