How does the passage explain moving a mountain? Using technology to move mountains

Earthquakes and volcanic eruptions

Weathering, erosion, and deposition

None of the above

Gunpowder residue is most likely to show up where on a shooters hands

Anybody wanna ? (picture included? )

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?