Choose the correct one.
Correct answer: B. The Johnsons were not wealthy.
- A. The Johnson were not wealthy.
- B. The Johnsons were not wealthy.
- C. Johnsons were not wealthy.
- D. The Johnsons was not wealthy.
Explanation
The sentence is structured correctly, using the plural form "The Johnsons" with the verb "were".
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About Respiration
The human respiratory system includes the air passages, lungs, alveoli and breathing muscles, while gaseous exchange explains how oxygen enters blood and carbon dioxide leaves it by diffusion. The effects of smoking include damage to cilia and alveoli, reduced gas exchange, chronic bronchitis, emphysema and increased risk of lung cancer.
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