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I WILL MARK BRAINLIEST IF CORRECT Select the correct answer.
How do you cure concrete so that it gains its full strength?

by allowing the mix to stand for a few hours before pouring it into the formwork

by pouring water on the solidified concrete for a few weeks to harden it

by exposing the concrete to air before applying any finishing such as paint

by keeping the formwork in place for a few weeks to support the concrete as it hardens

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