Picture a 2-liter soda bottle. as soon as the bottle is opened and the pressure equalizes, as bubbles are just starting to form, the solution is with the solute
a. saturated, water
b. supersaturated, water
c. saturated, carbon dioxide
d. supersaturated, carbon dioxide

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.