Why does Velasquez include the detail about the lack of studies about the health risks of pyrethroids? a. to emphasize the danger of allowing malaria to spread.
b. to highlight that the world needs safer malaria preventions
c. to clarify why some nations have to fight malaria using DDT
d. to strengthen the case for using DDT to prevent malaria

Which of the following statements is most accurate? a. effective communication skills are not as important as technical skills. b. good communication skills can you in the classroom, on the job, and in your personal life. c. communicating effectively is not related to job success. d. learning to communicate effectively cannot be taught because communication skills are inborn.