The oxygen molecules moves through the nostrils, pharynx, trachea, bronchus, smaller and smaller branches of the bronchial tree, and then into the alveolus.
Answer:
Without infection or decay on your food you are decreasing the risk of getting viruses like salmonella,food poisoning,Norovirus, etc. It could also help the less fortunate or homeless they would not have to worry about replacing their food due to decay or infection
False,carbon dioxide - with water - is one of the reactants in photosynthesis. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. Again, at some point, a factor may become limiting.
