change in position of an object we use the
symbol ∆×\ delta×∆×for displacement, where ∆. means
"change" ∆ vector quantity with units of distances start
text ,d,I,s,t,a,n,c,e , end text.
I believe the correct answer is C good luck!
It is the point in a black hole where nothing, not even light, can escape from.
One -the universe is expanding, proven with something called red-shift (wavelength of light increases due to distance between objects increases) Two - cosmic microwave background radiation. Three - the abundance of different elements in the universe.
A Mechanical wave is a wave the does require a medium to transfer.
