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.

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!