(Q).
Fact 1: Bacteria cause food to spoil.  Fact 2: Bacteria resistant plastics inhibit the growth of bacteria and molds.  Given the two facts above, answer the question "What can help prevent food from spoiling? " with the following options:  - Dehydration  - Plastics  - Metals.  - sweating  - Cellulose  - sugar  - Pesticides  - Papers
(A).
Plastics


(Q).
Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids.  Fact 2: An antibody is a protein that attaches to an antigen.  Given the two facts above, answer the question "What lasts only as long as the proteins that attach to an antigen survive in body fluids?" with the following options:  - hospitalization  - recovery  - parasites  - solid, liquid, gas  - Leptospirosis  - Allergies  - resistance  - passive immunity
(A).
passive immunity


(Q).
Fact 1: Pneumonia may be caused by an infection or injury of the lungs.  Fact 2: Death was attributed to pneumonia.  Given the two facts above, answer the question "what can infection or injury of the lungs result in?" with the following options:  - harm  - swea  - death  - h2o  - damage  - ribs  - gas  - digestion
(A).

death