A biology student examines a 15mm paramecium through a microscope. If the paramecium looks 145mm tall through the microscope, what is the magnification?

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

What are chlorofluorocarbons and what impact do they have on the atmosphere?