Question

B) Match the columns.
'A' group
'B' group
1) Bricks
2) Cement
3) Glass
4) Streams
a) Water
b) Sand
c) Soil
d) Lime stone​

Answer 1

Answer:

3) glass water

1) brick limestone

2) cement. sand

4) streams soil

Answer 2

Answer:

                             "A" Group               "B" Group

                              1) Bricks        --     d) Lime stone

                              2) Cement    --     c) Sand

                              3)Glass         --      a) Water

                              4)Streams    --       b) Soil

Explanation :

• It has developed from heating limestone in open fires to the usage of bricks due to their simplicity of manufacture and chemical qualities.

• The use of sand improves the bonding properties of cement.

• Glass transports water.

• Sources and chemistry of dissolved organic matter in soils and streams.