Answer:#3 They were so interested that they did not move
Explanation:
All the other are literal. This is the meaning of glued to their seats.
Answer:
See explanation below
Explanation:
"On planetary surfaces, astronauts will need surface mobility to explore multiple sites across the lunar and Martian surfaces" can be rewritten as:
In outer space or the atmosphere (usually where planets, the moon, the sun and other similar bodies come in contact with the atmosphere), scientists that are trained to travel in space will need to have fluid movement in order to explore the moon's surface and the surface of the planet Mars.
