The multiple reflection of a single sound wave is a/an

A. echo.

B. diffraction.

C. reverberation.

D. refraction

Explain how energy is conserved when nuclear fission or fusion occurs

Which device can change the voltage of an incoming current? O A. An electromagnet O B. A generator O c. A transformer O D. A motor

Exactly one pound of bread dough is placed in a baking tin. The dough is cooked in an oven at 350°F, releasing a wonderful aroma of freshly baked bread during the cooking process.

You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. the force acting on you that causes you to fall forward is

Tidal-power-generating facilities are common worldwide. True False

To which period in the periodic table does chlorine belong?

Bus A and Bus B leave school on a field trip when a stopwatch reads zero. Bus A travels at a constant 50 km/h, and Bus B travels at a constant 75 km/h. How far are the two buses from school when the stopwatch reads 1.5 h?. a ... Bus A is 76.

When observed from Earth, the wavelengths of light emitted by a star are shifted toward the red end of the electromagnetic spectrum. Why does this redshift occur?

Object A has a length of 3 cm, a width of 10 cm, and a height of 2 cm. Object B is dropped into a graduated cylinder. It displaces 60 mL of water. The volume of object A is:

Is the following sentence true or false? Some information about an object or process may be missing from a model.