The correct answer is ANTHROPOLOGIST.
An anthropologist is a professional, who engaged in the study of various aspects of human within past and present societies. Such professionals are involved in the research and study of socio-historical, linguistic, and biological aspects of human. Biologist, chemist and botanist are actively involved in the development of drugs.<span />
The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.
Septoplasty is the surgical procedure.
The two types of crust are oceanic and continental, the lithosphere is composed of earth's crust and upper most mantle