Respuesta :
Answer:
The correct answer is option b, that is, chemists have created medicine to fight leukemia.
Explanation:
An individual who does research associated with the chemicals is known as a chemist. The chemist performs the duty to guide the individuals with regard to chemical compounds and the qualitative analysis associated with it. A chemist does a specific role of performing research associated with chemical compounds and the procedures related to it. That is, a chemist performs extensive research associated with the field of chemistry. Therefore, in the given question, the creation of medicines to fight against leukemia will be the correct answer.