Answer:
The ozone layer is still here I believe, it's just slowly going away due to our pollution of the air and such :/
Explanation:
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The main absorption takes place in the small intestines.
The ovaries are a physical structure and the function of the ovary is to produce eggs in the birds.
<h3>Physical structures of birds</h3>
The physical structures are those structure that we can see in an organism but externally and internally. The table is not shown here but we can still make some corrections.
The ovaries are a physical structure and the function of the ovary is to produce eggs in the birds.
Learn more about ovaries: brainly.com/question/22265015
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Obviously not. Pests in our subdivisions don't have any negative affect on nature. HUMANS are the main reason for the destruction of our nature. We pollute oceans and destroy forests and homes for creatures. The "pests" that you refer to actually vanishing themselves due to our destruction causing their predators to disappear.