Four friends write a description of pitch. Jessica: Pitch is how high or low a sound is. The pitch depends on vibrations. High pitch sounds have low amounts of vibrations.
Rachael: Pitch describes how high or low a sound is. Sounds are caused by vibrations. The more vibrations, the higher the pitch.
Harvey: Pitch is caused by vibrations. The more vibrations, the lower the pitch of the sound.
Derek: Pitch is how high or low a sound is. All sounds have mostly the same pitch.

Who has the best description of pitch? (2 points)

a
Jessica

b
Rachel

c
Derek

no lick

reescriba la oración completa para incluir la forma posesiva de "declaración de derechos" en la oración a continuación.

la declaración de la declaración de derechos de que "todos los hombres son creados iguales" se aplica a todos.

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.