<span>The high and low tide are caused by the gravitational forces between the earth and the moon</span>
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
3:they are usually microscopic
I believe the best answer is C.
<span>Many mutations do produce changes in phenotype,I</span>t helps the bodies of the species to re-adapt to more locations and habitats.
