It would have to be c because it is a chemical change. your welcome!!!!!
<span>When the Moon is directly between the Sun and Earth, a spring tide will occur along a shoreline that is facing the Moon.
</span>
Answer: 4.
Explanation:
Use formula v = d / t, where v = speed, d = distance and t = time.
v = 10 / 2.5
v = 4.
