What occurs when pollutants from the smoke of power plants combine with moisture in the air?

Both independent and dependent clauses

Abeam of light shining from water to air strikes the surface at an angle greater than 48 degrees and produces total internal reflection. if the incident beam is at a 50 degree angle what angle is the reflected beam 13 25 50 100

Describe the work performed by a ski lift in terms of kinetic and gravitational potential energy