Which of the following can be explained as a mathematical formula A. An observation
B. A Scientific theory
C. A Scientific Law
D. A hypothesis

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Types of scientific inquiry that biologist engage in that cannot be completely controlled