A pollen grain is: a. the male reproductive structure of the seed plant.

b. the female reproductive structure of the seed plant.

c. the male reproductive structure of algae.

d. the female reproductive structure of algae.

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.