How does a crack or break in the shell affect the snail?

if the break is serious then they will die as the shell not only provides protection but also prevents the snail from drying out

Explanation:

make   gliitsh plesea   !

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.