Dependent Causes/ Independent Causes: Statement: All the schools in the area had to be kept closed for most of the week. Many parents have withdrawn their children from the local schools.
Correct answer: D. Both the statements I and II are effects of independent causes
- A. Statement I is the cause and statement II is its effect
- B. Statement II is the cause, and statement I is its effect
- C. Both the statements I and II are independent causes
- D. Both the statements I and II are effects of independent causes
Explanation
"Closing the schools for a week and the parents withdrawing their wards from the local schools are independent issues", which must have been triggered by different individual causes.
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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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