Causes of extinction include four risk categories. Which of the following is not one of the risk categories? A) human risk
B) environmental risk
C) population risk
D) natural catastrophe
E) genetic risk

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.