Answer:
Electromagnetic Waves
Explanation:
Electromagnetic waves do not need a medium to travel through, so therefore, they are faster.
Answer:
c
Explanation:
we have only distance vs time graph so c is the right answer that cart is moving with constant speed of 0.5m/s
confirmed
first calculate distance which is from 2 to 5.5
5.5-2=3.5
apply the formula of velocity
v=s/t
v=3.5/7=0.5
The answer is B plastic bags made from petroleum.
D the chemical energy in a batery changes to electrical when its used
