As an environmental engineer how would you apply the process of separating mixtures to clean up a polluted beach? what would you do first? second? third? what equipment would you need? explain your process.

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

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?

What is the percentage of hydrogen in c2h4