Because their dirty
Clouds are only gray on bottom when they are ready to let go of all of the moisture and pollution in them. which means they are gray when it is going to rain.
Grey Heron
Two feet
Ten feet
6 feet 3 in
avg male: 8 feet, 200 lbs, and gray avg female: 8 feet, 150 lbs, and gray
Inductive logic
No, they are gray. They are white on the bottom, though.
Yes, the bottom of your feet, which is called the soles, has about 2000 pores. This is why your feet are able to sweat. However, soles do not have sebaceous glands.
your feet are the two things at the bottom of your body you walk with them e.g these are your feet.
it is 43 feet average.
size 12