Describe an investigation where you would investigate the effect of pH on the rate of reaction of amylase. You must include the different variables, a prediction, a method and what results you would collect.

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

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.

40. invasive species -. (2 points) olive in the area the species have always lived o naturally moved into a new area are brought to a new area by human activities do not affect the ecosystem of an area