An antibody, because antibodies are produced for a specific virus and are unique to that virus, that protein is the response to influenza.
Answer:
Gas exchange during respiration occurs primarily through diffusion. Gas molecules move from a region of high concentration to a region of low concentration. Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.
Explanation:
Wiping off the surface of the lab table with a disinfectant
Answer:
Scientists estimate that at least 99.9 percent of all species of plants and animals that ever lived are now extinct.
Explanation:
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B. Using fewer fossil fuels, such as gasoline for a car, reduces the emission of harmful pollutants into the air
