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Which of the following statements about ozone are true? Select the two correct answers. 1 .Ozone at ground level is harmful to human health. 2. Ozone in the upper atmosphere protects earth from the suns rays. 3. Ozone is helpful for reducing smog levels. 4. Trees and plants help to decrease levels of ozone in the atmosphere. 5. Most ground level ozone is released by vehicles.

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Answer:

Ozone in the upper atmosphere protects Earth from the sun's rays.

Ozone at ground level is harmful to human health.

Explanation:

Just took the test and these were right.

As  per veiw  about ozone the correct answer is statement 1 and 2. as ozone is at ground level and protects atmosphere.

What is ozone layer?

The atmosphere has layer of ozone in different forms to perform different functions.

  1. 1 .Ozone at ground level is harmful to human health as it cause several lungs diseases.
  2. 2. Ozone in the upper atmosphere protects earth from the suns rays by forming the protective sheath layer.

Thus it is well explained.

To learn more about the atmosphere refer to the link :

https://brainly.com/question/24925283

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