What would you conclude about the hardness of a mineral that could scratch calcite but not apatite

The cluster of developing cells from conception until birth is called an

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

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.