Answer:
the answer is c.) 2 rescuers alternate giving high-quality chest compressions.
I'm pretty sure I that it depends on the tide of the water. When it's low tide you can go deeper in the water when it's high tide you can't go that far without touching the ground
Answer:
woah thanks for the information i did not know i needed
Think it's casting.
Well, I'm not 100% sure anyways.