"Dr. Bob, Expert Science Physics Chemistry Biochemistry Mathematics"
...Bob Expert Trigonometry - a basic necessary for almost 75 % of all college courses in chemistry, physics, mathematics, engineering, and healthcare (MRI, PET, Cancer Chemotherapy) that use radiation or electromagnetic energy. My expertise in trigonometry covers most of the natural and physical science
s. Botany is the scientific study of plants. It...
10+ subjects, including physical science