Using a different kind of bond called love
just kidding its a hydrogen bond
They may have ran out of oxygen, or they may not have been water dwelling snails, as not all are, lack of food, no flow of water into and out of the tank would cause them to run out of oxygen.
The answer is B.) buffers
<u>buffers</u> : solution pH :: shock absorbers : vehicle movement
The answer is B.) buffers