What happens when a mechanical wave travels through a medium

waves are transferred.

mass is transferred.

energy is transferred.

particles are transferred.
hurry this is a timed unit test

The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?