Answer:
Even though the symptoms of the stimulants and depressants are quite opposite, the causes of these symptoms are completely unrelated. A stimulant could cause one area of the brain to release a chemical and a depressant could affect a completely different area of the brain. They don't have to counteract each other.
Explanation:
Cancer would definitely need to be focussed on, air pollution is a known cause of cancer
Answer:
world health organisation
Answer:
The correct answer would be - spearman.
Explanation:
Charles Spearman presented the two factor theory of the intelligence. He developed a mechanism or method that was based on the analyzing factors, and testing variables to develop statistical correlation in between related variables that are tested.
His idea was to develop a method to make an index by a single test to measure or evaluate the mental capacities so the most enthusiastic person would be Spearman.
Thus, the correct answer is - spearman.