The graph below shows levels of a form of ultraviolet radiation (UV-B) and ozone thickness in Australia during December 1987 and January 1988. Which statement best describes the apparent relationship between ozone and UV-B? 1 When ozone levels are at 2550 Dobson units, the UV-B levels are at 250 Dobson units. 2 The increase in UV-B reduces the destruction of the ozone layer. 3 When the ozone layer is thinner, more UV-B gets through it. 4 If the ozone layer is thicker, UV-B levels on the ground increase.

When the ozone layer is thinner, more UV-B gets through it statement best describes the apparent relationship between ozone and UV-B. Thus, the correct option is C.

What is ozone layer?

Ozone shields the Earth from the Sun's harmful ultraviolet (UV) rays. Life on Earth would be extremely difficult without the ozone layer in the atmosphere. Plants, as well as the planktons that feed the majority of ocean life, are unable to thrive and grow in high levels of ultraviolet radiation.

The amount of UVB that reaches the Earth's surface increases as the ozone layer depletes. UVB induces non-melanoma skin cancer and has a key role in the development of malignant melanoma, according to laboratory and epidemiological research.

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