What is the first step in the creation of a theory?
a. a scientist comes up with an explanation.
b. evidence is found to support an existing explanation.
c. nearly all scientists agree that an explanation is correct.
d. new evidence causes adjustments to an existing explanation.

Your answer would be: A. because scientists use what they have to create a theory, a theory is pretty much an educated guess is what a teacher would say, the theory would need to have evidence in order for it to be an educated guess. The scientist would have to come up with an explanation in order for the theory to work, or be an educated guess.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

answer; polycythemia is the correct answer;