It is impossible for humans to be at the bottom of the food chain. a. true, because plants do not undergo cell respirationb. false, because humans are omnivoresc. true, because humans are not producers d. false, because humans carry out photosynthesis

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.