75, what are the most abundant gases in jupiter's atmosphere? a) methane and hydrogen b) methane and ammonia. c) hydrogen and ammonia. d) hydrogen and helium 76. what is the name ised to describe the dark bands èhcireling jupiter? a) belts b) zones. c) zonal flows d) convection cells. /ww. a 77. the outer jovian planets have a bluish tint because: a) they are far away ind distance makes objects appear bhuish b) their atmospheres contain methane. c) their atmospheres contain hydrogen and helium. d) the ices in their atmospheres appear bluish upon reflection of sunlight. - ,n 78. for which planet is it possible for the san to remain overhead for years at a time at either pole and for the equator to receive almost no sunlight for years? a) uranus, b) neptune. c) pluto: d) triton, 79. what is the order of the four galilean moons of jupiter in iricreasing distance from the planet? a) ganymede, callisto, lo, europa b) callisto, lo, europa, ganymede c) lo, europa, ganymede, callisto d) europa, ganymede, callisto, lo 80. which of the galilean moons is the largest and therefore the largest moon in the solar system? a) io. b) europe. c) ganymede. d) callisto. moon has a surface composed of mostly frozen water, with very few craters? 81. which galilean a) io. b) europa. c) ganymede. d) callisto.