Which method of separating a mixture involves passing a heterogeneous mixture through several layers of different materials?

filtration

decantation

evaporation

distillation

An electron in the first energy level if the electron cloud has lower higher or the same energy as an electron in the third energy level

What is the frequency of the most intense radiation emitted by your body? assume a skin temperature of 95 ∘f?

The sun generates both mechanical and electromagnetic waves. Which statement about those waves is true? The mechanical waves reach Earth, while the electromagnetic waves do not.

You check the weather and find that the winds are coming from the west at 15 miles per hour this information describes the winds velocity, direction, acceleration or speed

One major advantage of alternating current over direct current is that you can use alternating current with a device known as a transformer.

Which best describes oil and water

Both the electrical force and the gravitational force between two objects share which relationship? They are directly proportional to mass. They are inversely proportional to the square of the distance. They are inversely proportional to charge.

During a baseball game, a player hits a a ball with a speed of 43m/s at an angle of 25∘ above the horizontal. When the player hit the ball, it was 1m above the ground, and after the hit, the ball flies straight toward the center field fence.

How does the electric potential energy change as the electron moves from i to f?

A sound wave travels twice as far in neon (Ne) as it does it krypton (Kr) in the same time interval. Both neon and krypton can be treated as monatomic ideal gases. The atomic mass of neon is 20.2 u, and that of krypton is 83.8 u.