Primaruyand secondary waves are called body waves which affect the body of the rock we live on.
Love waves are called surface waves because it only affects the surface.
The 24th Amendment prevents Congress from putting a poll tax or any other tax to prevents citizens from voting. It was passed to encourage more voting (mainly blacks),
The moon is nothing but a oight mirror of the sun. So some light from the sun lights a part of the moon(depending on it's position) . On different days the moon has different position(taking sun as reference) so it is diferently lighted. This creates the phases