According to scientists, the smooth portion of Mercury's surface is due to  acollisions with asteroids. bvolcanic activity. cheat from the sun. dNone of these - Mercury formed that way.

Mercury's surface most resembles which of these?Group of answer choicesthe earth's desertsthe lunar mareVenus' polar regionsMars' desertsthe lunar far side

Two small drops of mercury, each of radius R, coalesce to form a single large drop. The ratio of the total surface energies before and after the change is :–     1 : 21/3 21/3 : 12 : 11 : 2

Mercury's atmosphere(Select All the answers that are correct)Group of answer choicesis composed of only of a tenuous, low density exospherecontains oxygenis outgassed by Volcanoesis created by interactions with the solar windis created by the gases released by asteroid/comet impacts

Give several reasons Mercury would be a particularly unpleasant place to build an astronomical observatory.

What type of disk is important for planet formation?