Is crystilization and filtration part of fractional distillation​

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

How is the solubility of a carbon dioxide gas in water increase?

Sort these isotopes by whether they are most likely to undergo fusion or fission. hydrogen-3, uranium-233, plutonium-239, hydrogen-1, helium-3, plutonium-241