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.
Effects of Pollution. 1  Impure air can kill many organisms including human beings. 2  Pollution can cause heart disease, throat inflammation, respiratory disease, congestion, and chest pain,. Water pollution cause due to contamination or drinking water by untreated sewage cause about 14,000 deaths per day.