Lightning and thunderstorm — task. Assessments, Science TN.

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A: We must not use an umbrella during a thunderstorm in a open field.

R: Because the umbrella rods and wires are made up of metals.

Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.

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