FOUR USES OF CONCAVE MIRROR:Satellite dishes,headlights of a car, telescopes used for astronomical studies, and shaving mirrors because of there curved and reflective surface.
FIVE USES OF LENSES: Camera lens ,microscopes ,magnifying glass,eyeglasses,projector
D
Explanation:
Mutiply and alagrab to subterc
It Is False. Liquid will not expand to fill it's container, while gas will.
Answer:f^n=m(a+g)
Explanation:khan academy said
Do 25-14 and you will get your answer