Physics · Scientific Inquiry
Which of the following cannot be regarded as a 'testable question' in scientific inquiry?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1What is the effect of cigarette smoke on lungs?
- 2What does an earthworm eat?
- 3Is it ethical to use fossil fuels indefinitely?✓
- 4How does flu affect the human immune system?
Correct answer
Is it ethical to use fossil fuels indefinitely?
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