Why are carcinogens a concern to people? O A. They can cause cancer.
O B. Their effect is unknown.
O C. They hurt the environment.
O D. They can destroy plants.

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?