Which statement explains the impact that ozone depletion has had on the earth? a. it has decreased surface levels of ultraviolet light. b. it has increased the production of ultraviolet light. c. it has decreased the production of ultraviolet light. d. it has increased surface levels of ultraviolet light.

Which of the following is an oxidation-reduction reaction? (pictured below)

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline. which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Study this image which statement best describes the rock shown check all that apply