Which activity can occur without the use of energy?

1.

contraction of muscle tissue
2.

protein synthesis in a cell
3.

active transport of minerals
4.

movement of water across a membrane

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.