Acook adds oil to vinegar and then mixes it to make a sald dressing. is this a physical change? why or why not?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)