PLEASE HELP! The diagram illustrates the effect of the Moon's and the Sun's gravity on Earth.

What is happening at point X in the diagram?

A. solar tide
B. average sea level
C. high tide
D. low tide

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

Using the periodic table, complete the table to describe each atom. type in your answers

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!