4 Answers 4. active oldest votes. up vote 11 down vote. If it is sealed in an air tight container and the freezer always stays very cold so the meat never thaws-then chicken and beef will stay good indefinitely.
1 When sewer gases diffuse into household air, they gradually displace oxygen and suffocate occupants. 2  The effects of oxygen deficiency include headache, nausea, dizziness and unconsciousness. 3  At very low oxygen concentrations (less than 12%), unconsciousness and death will occur quickly and without warning.
The gases emitted by vehicles exhibit many delitorious effects the gases and their impacts are: 1  Carbon monoxide: Toxic to humans in confined spaces. 2  Carbon dioxide: Contributes to gloval warming. 3  Methane: Contributes to global warming.  PAH: Potential 1  carcinogens. Reactive Hydrocarbons: Contributes to photovhemical smog.