Plz help ASAP

Marking Brianelist

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.

The smallest parts of these that retain their original properties are called

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.