Abubble forms at the bottom of a lake. as it rises to the surface (but before it gets there), will it grow, shrink, or pop, why?

As a bubble rises in water it grows due to the water pressure being lower the higher up you get. Its the same reason if you went to the bottom of the ocean your lungs would crush.

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.