Methane gas absorbs red light, and methane clouds reflect blue light, giving uranus and neptune their distinctive blue colors. why do uranus and neptune have methane clouds, but jupiter and saturn do not

Which of the following are guidelines to follow for obtaining accurate observations

What organization and environment is described above?

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?