Select the correct answer. What is the primary effect of ozone depletion?

1Harmful substances will be added to the air.
2Water will be contaminated
3Harmful ultraviolet (UV) rays will enter the Earth's atmosphere.
4Land quality will be degraded.

The answer is #3 or C.

Explanation:

Ozone layer depletion causes increased UV radiation levels at the Earth's surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.

answer; /// i believe that the correct answer is (50%);

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.