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.
Exposure to low levels of natural gas is not harmful to your health. When natural gas is burned to produce electricity, it produces nitrogen oxides, carbon dioxide and methane, which can affect your health.If you think your health has been affected by exposure to natural gas, contact your health care professional.xposure to extremely high levels of natural gas can cause loss of consciousness or even death. If a natural gas leak has occurred and is severe, oxygen can be reduced, causing dizziness, fatigue, nausea, headache, and irregular breathing.