with pepellers
with pepellers
they move by spinning their cilia in a wheel motion and swimming through the ocean
Cart
Sound is a pressure wave. Objects that "allow" sound to travel through them could be called wave guides.
Insulators- do not let heat through
Refraction
Yes, it is called radiation.
Clusters
They are called "hormones".
There are many materials that light can not travel through which are called opaque objects.
By a process called "capillary" action.
Earthquake generated waves are called seismic waves. These are waves of energy that travel through the Earth's layers. Their velocity depends on the elasticity and density of the medium that they travel through.