Answer:
b. testing new conditions.......
Answer:
Hello There!!
Explanation:
I believe the answer is True.
hope this helps,have a great day!!
~Pinky~
Ok so theirs this thing called asking your teacher for help especially when it’s such an easy question
The answer is A. a light wave
C and D both need water as a medium and sound needs air to vibrate in order to travel. light, on the other hand, does not need a medium
