Da
1. Write TRUE if the statement is correct and FALSE if not. Write your answer on the blank
before the number.
1. Mechanical weathering is a physical wearing away of rocks without any
change in their chemical nature.
2. Chemical weathering involves change in the composition of rocks that
allows them to break down into pieces.
3. Erosion of rock fragments contributes to the soil formation as well as
formation of landforms.
4. The topsoil contains the organic materials produced by dead plants and
animals.
5. Human activities such as deforestation, illegal logging, and quarrying
increase the effects of soil erosion in the environment.
6. When topsoil erodes, it does not carries away many of the nutrients needed
to grow abundant, healthy crops.
7. The effect of erosion on plants would mean less food production.
_8. Soil erosion can destroy large masses of land.
9. Erosion brought by water can wash mine tailings to nearby bodies of water
and pollute them.
10. Erosion is caused by natural forces and man-made activities that
shape the landforms as we can see today.
pa help po
​