2punts
a device called an oscilloscope can be used to demonstrate:

Alexis likes to study late at night because she has always been a night person. alexis is using her personal preferences to form her study routine. select the best answer from the choices provided t f

Riddle me this: i am first in earth,second in heaven,appear two times in aweekyou can only see meonce in a year, althoughi'm in the middle of sea.what am i?

Changes in musical style from one historical period to the next are usually