A lit candle needs to draw oxygen from the air in order to continue burning. If you limit the amount of air available, the candle's flame eventually goes out once it uses up all the oxygen. Lit candles in smaller jar stop burning first because the oxygen trapped in the jar are fewer than the ones in bigger jars.
Answer: When one organism eats another, the matter, or carbon, nitrogen, and other essential elements, are transferred from one to the other. These elements move from the producers, to the consumers, and eventually to the decomposers, cycling the matter through the ecosystem.
Explanation:
To pump blood through out our body and to keep us alive
Auditory deals with the sense of hearing and all of the choices start with a different external factor end in a logical response, however, B is the answer because it’s external factor, a siren, is the only one that involves the sense of hearing.