What's concrete?

2 ⤊

2007-03-19 05:23:28 · 3 answers · asked by **CUTIE** 2 in Home & Garden ➔ Garden & Landscape

3 answers

lime and rock aggregate

2007-03-19 05:26:08 · answer #1 · answered by Samantha 6 · 0⤊ 0⤋

Lime, Cement, an Aggregate and Water. Invented by the Romans over 2000 years ago.

2007-03-19 12:32:34 · answer #2 · answered by Kaiman 2 · 1⤊ 0⤋

- hard construction material: a mixture of cement, sand, aggregate, and water in specific proportions that hardens to a strong stony consistency over varying lengths of time
- mass of coalesced particles: a mass formed when particles coalesce

2007-03-19 12:28:23 · answer #3 · answered by PE7E 3 · 1⤊ 0⤋