Which of the following are responsible for sending messages from the midbrain to the cerebrum?
A. Hormones
B. Motor neurons
C. Interneurons
D. Sensory neurons

In what for do plants utilize nitrogen? why do they need nitrogen?

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

9. the history of life on earth is recorded in