Which best describes the energy of a sound wave as it travels through a medium

a. it remains the same

b. It increases.

c. It depends on the medium

d. it decreases

How long is a WiFi wavelength? A) 10 cm B) 12 cm C) 15 cm D) 20cm

When one continental plate slides beneath another A. weathering and erosion work to build high plateaus and mountain ranges. B. the process of melting returns material to the Earth's surface. C.

A 50 kg boy running with a velocity of 6 m/s passes by a 2000 kg truck at rest. Which one has greater momentum, the truck or the boy?

What is stronger, gravity or strong nuclear force?

Energy can be changed from one form to another. Which terms can be used to describe these changes? Select all that apply. energy conversion energy conservation energy correlation energy transformation energy transference

A new object has been discovered in the solar system. In your own words, justify how the object can be proved to be a comet.

What is cosmic microwave background radiation?

Ocean water has a salinity of 35 parts per thousand. Fresh water has a salinity of less than 0.5 parts per thousand. What can you conclude from this information? A. Ocean water is rich in salt minerals. B.

You decide to add up all the work you did yesterday. If you accomplished 10,000 newton·meters of work yesterday, how much work did you do in units of joules?

What causes day and night on earth?