Question

Activity 16.4
Have you ever visited a town or village after a few years of absence?
If so, have you noticed new roads and houses that have come up
since you were there last? Where do you think the materials for
making these roads and buildings have come from?
Try and make a list of the materials and their probable sources,
Discuss the list you have prepared with your classmates. Can
you think of ways in which the use of these materials be reduced?​

Answer 1

Answer:

Yes, I have visited a town or village after a few years of absence.

Yes, I have noticed new roads and houses that have come up since I were there last.

I think that Stone aggregate, or mineral aggregate, as it is called, is the most important component of the materials used in the construction of roads. These aggregates are derived from rocks, which are formed by the cementation of minerals by the forces of nature.

I think that of the ways in which the use of these materials be reduced by not wasting much material and it should done with proper planning