Question

2. What do the roads around your place look like?
3. What are highways? How do they help us?
concrete: a mix of cement, sand, stones and water used to n
national highways: roads connecting all the major cities and
pothole: a big hole in a road
2) Grade 4 | Block 9 Road Transport​

Answer 1

Answer:

many cases there will also be Portland cement substitutes added, such as fly ash. This can reduce the cost of the concrete and improve its physical ...