a,b,c is your answer light and sound are not considered matter and heat is energy created from matter and electricity is particles moving basically therefore electricity is matter hope this helps
Average speed = total distance / time ⇒ total distance = average speed * time
Average speed = 270 km / p hours
distance = d
hours = x
d = 270/p * x
I believe it is A :) hope this helped
1.5 / 0.5 = 3 I believe this is the right answer
It would be rock by erosion bc the rocks erode to form a volcano
