Which of the following statements about ozone (in Earth's stratosphere) is not true?
A. The presence of ozone was crucial to the origin of life.
B. If the ozone layer is depleted, we can expect the rate of mutations in land-based life-forms to increase significantly.
C. Ozone absorbs ultraviolet light from the Sun.
D. The ozone hole occurring each spring over Antarctica appears to be caused by human-made CFCs.
Answer:A
Which of the following statements about ozone (in Earth's stratosphere) is not true?
A. The presence of ozone was crucial to the origin of life. B. If the ozone layer is depleted, we can expect the rate of mutations in land-based life-forms to increase significantly. C. Ozone absorbs ultraviolet light from the Sun. D. The ozone hole occurring each spring over Antarctica appears to be caused by human-made CFCs.