Yes it does because the human brain development is created through environmental and genetic influences
The correct answer is A) Body imbalance
Answer: That Answer Was Copied And Pasted Off Of Wikipedia.
Explanation: https://en.wikipedia.org/wiki/Evolution_of_the_horse
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
If you are conducting a study on the health of people who have been exposed vs not exposed, the method you should use to obtain data would be an observational study because it involves the pre-existing condition of the subjects.