Convection is correct i think
An estuary is a partially enclosed body of water that has ombination of salt and freshwater
16.6 in^2
The pizza has a diameter of 13in, and the area formula is A = pi x r^2, and r is 1/2 diameter, so A = 3.14 x (6.5)^2 = 132.73. Since we are taking one slice, or 1/8, we divide by 8 to get 16.6 in^2
It takes about 365and 1/4 days