Developed the concept of half-life.

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.

Which organelle plays a role in intracellular digestion?

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?