Question

once cement has been made, it is mixed with water, crushed rocks, and sand. this forms a concrete slurry, a thick semi - liquid mixture with solids suspended in water. the concrete slurry is transported to a job site by a concrete mixer. at the job site, the slurry is poured into molds. as the wet concrete hardens, it gains strength. complete the sentences. a slurry of _ concrete can be poured into molds. over time, the concrete gets __. wet ... stronger dry ... weaker wet ... weaker dry ... stronger

Explanation:

The text states that the concrete slurry (a semi - liquid mixture) which is wet is poured into molds. And as the wet concrete hardens (dries over time), it gains strength.

Answer:

wet ... stronger