Some thermometers contain alcohol. Alcohol is used in thermometers because A. is soluble in water

B. is a clear gas when it evaporates

C. expands and contracts easily

D. has a high density

Explain vector addition, triangle method and parallelogram method

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

An object has a weight of 500 on earth what is the mass of this object