What units are used when describing the length of time that the universe has been expanding? [check all that apply] [a is not the only answer]

billions of years
millions of years
light years
light year kilometers
decades

Land cool more quickly than water. as a result the pressure over the water is lower than that over the land, and the air moves from the land to the water. what is this known as. a) prevailing winds b) sea breexes c) land breezes d) valley breezes