Astudent notices that her guppies reproduce most when her fish tank water is slightly alkaline. they stop reproducing if the water becomes acidic or if the water becomes too alkaline. this is an example of
question 18 options:

secondary succession

zones of tolerance

communities

intertidal zones

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.