1.which of the folllowing refers to the breaking down of rocks in to small pieces?
a.erosion
b.landslide
c.siltation
d.weathering
2.big plants growing on the surface of a rock develop cracks in the rock because of the?
a.acid they produce
b.humus they produce
c.leaves that cut the rock
d.forced exerted by roots
Answers & Comments
Answer:
1.D
2.D
TRUST ME IT'S CORRECT