Which is the fastest way to send information using sound waves, light waves or water waves

What is earth made of

Light from the sun travels through space to Earth's atmosphere. Which will light waves do when they move from empty space into matter made up of different gases? A. move at the same speed B. move faster as they transmit C. slow down and refract D.

A snail slowly travels down the sidewalk at a pace of 4 cm/s. how long will it take the snail to reach a distance of 20 cm?

An atomic nucleus is composed of

Which is the advantage of waters heat

Which of the following statements is not true? A. Science is a method of answering theoretical questions. B. Technology is a method of solving practical problems. C. Technology may produce problems for society. D.

In the theory of plate tectonics, various segments of Earths crust, called plates, move toward and away from each other.

A 50-kg student gets in a 1000-kg elevator at rest. As the elevator begins to move, she has an apparent weight of 600 N for the first 3 s. How far has the elevator moved, and in which direction, at the end of 3 s?

A block of wood measuring 2.75 cm x 4.80 cm x 7.50 cm has a mass of 84.0 g. will the block of wood sink or float in water?

How long does it take the baton to complete one spin? A twirler's baton is 0.76 m long and spins around its center. The end of the baton has a centripetal acceleration of 47.8 m/s2. a. 0.31 s b. 0.56 s c. 4.3 s d. 70 s