Why would “The year without a summer” be considered destructive (no using gogle)

The year without a summer” be considered destructive it is because as we all know that summer is the season of growing wheat who is very important food crop That's why

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

this protocol describes a detailed procedure for intracellular flow cytometry staining.