Boundaries of Scientific Investigation — task. Science CBSE, Class 8 New.

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Select the correct answer from the options given below.

Assertion: In scientific investigation, multiple factors are changed at the same time.

Reason: This helps in getting faster and more accurate results.

A is false, but R is true.
Both A and R are true, and but R is not the correct explaination of A.
Both A and R are true, and R correctly explains A.
A is true, but R is false.

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9. Boundaries of Scientific Investigation

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