The same face of the Moon always points towards the Earth due to a. the gravitational pull of the Sun b. the tidal force exerted by the Moon on the Earth c. the tidal force exerted by the Earth on the Moon 36. The terrestrial planets are, in order of increasing distance from the Sun, a. Mars, Venus, Earth, Mercury. Mercury, Mars, Venus, Earth. Earth, Mercury, Mars, Venus. Asteroids are always found orbiting between Mars and Jupiter.
Comets spend most of their time a. in the outer solar system.
None of the above. The wavelengths of emission and absorption lines for a given substance are a. different b. the same 50. Ionization is a. the removal of an electron from a neutral atom.