Joe's microscope has three objectives, 10x, 40x, and 100x. When Joe views his slide under the 40x objective, what is the total magnification? *

How can you tell the difference between rough er from smooth er?

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

Due tonight 10 points will mark brain