What is important in the natural manure?
a) minerals
b) the decayed matter
c) salts
d) none of these
Clay particles are
very………in size.
a) large
b) extra-large
c) small
d) none
The
wet…….can be molded into any shape.
a) sand
b) silt
c) rock
d) clay
Which of the following is used to make bricks and pottery?
a) sand
b) silt
c) clay
d) rock
Which one among the following doesn’t allow passage of air and water easily?
a) clay
b) silt
c) sand
d) rock
Which of the following
consists of bigger particle of gray color and light in weight?
a) clay
b) silt
c) sand
d) rock