A homeowner wants to reduce the environmental damage of the energy source used to heat her home. Which energy source would be best for her to choose?

coal
gas
oil
wind

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.

The mini-refrigerator fire was most likely caused by what type of wiring?

The force it would take to accelerate an 900-kg car at the rate of 6m/s2