Answer should be the earth
Answer:The potential energy is zero
Explanation:
Explanation:
an echo mimics exactly what is said, this is like a mirror because when you look in a mirror every action you make is copied by your reflection
I believe the answer is B. streak
Streak test is a method to determine what color would the mineral had if it's being transformed into a powdered form.
This test is being done by scrapping the mineral on top of white or black porcelain plate so the plate wouldn't distort the color.