It is a Spreading disease.
The things that most strongly influence your personality are your environment, your genes, and your experiences. It has been shown in studies that the environment and our genes both play an important role in determining what oulr personality would look like. However, what we experience personally also affects how we will behave and what kind of personality we will have. For that reason it's a combination of the three.
The lower group suffers the most due to having little medical treatment because the people of lower groups don't have enough money to provide themselves with the best treatment.
A. Human error
Needs to be twenty characters so words words words words
Answer:
Carlos Juan Finlay
Explanation:
He discovered that yellow fever is transmitted from infected to healthy humans by a mosquito.
