How does the presence or absence of freshwater affect a regions economic development and position?

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false