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trasher [3.6K]
3 years ago
12

What are the causes of respiratory disorders such as bronchitis, pneumonia and lung cancer.?

Biology
1 answer:
Dovator [93]3 years ago
5 0

<u>Smoking</u> causes respiratory disorders such as bronchitis, pneumonia and lung cancer.

<u>Explanation:</u>

Respiratory disorders such as bronchitis, pneumonia and lung cancers are caused by smoking tobacco, air pollution and by infection. Smoking is the predominant cause of this respiratory order it also raises the level of air pollution which becomes hazardous to all the living organisms.

Infection in the lungs which is identified as pus in air sacs and found as inflamed lungs is usually life threatening. Severe shortness of breathe called the bronchitis is due to airborne chemicals.

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Answer:b.

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Which statement best describes a pattern of reproduction exhibited by most aquatic vertebrates
pickupchik [31]

Aquatic organisms have external fertilization and reproduction is done through mating of male and female.

<h3>How do aquatic vertebrates reproduce?</h3>

All vertebrates reproduce through mating of male and female. Aquatic species generally have external fertilization, whereas terrestrial species usually have internal fertilization.

In conclusion, aquatic organisms have external fertilization and reproduce through mating of male and female.

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the merger between _____ resulted in the first production-distribution-exhibition firm with a truly national theater chain.
olga_2 [115]

The merger between Famous Players-Lasky and Balaban & Kat resulted in the first production-distribution-exhibition firm with a truly national theater chain.

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  • The merger brought about the first production distribution-exhibition firm with a truly national theater chain. It was later named Publix Theaters. Paramount-Publix became the firm's name.

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3 years ago
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Ivahew [28]

On the earth surface

Explanation:

The long-wavelength radiation is created on the earth surface when electromagnetic radiation is re-emitted.

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