1. It is the breaking down of rocks into fragments
a. Erosion
b. Finding
c. Run off
d. Weathering
2. What do you call the process by which humans extract stones from the mountains for construction purposes
a.digging
b.flattering
c.weathering
d.quarrying
3. It is the building chunks of stones or rocks arranged on the edge of the slope
a.terracing
b.riprapping
c.crop rotation
d.natural vegetatino
4.Which of the agencies is concerned with the preservation and conservation of natural resources
a. DENR
b.DILG
c. DA
d.DAR
5. What will happen to a rock when it is exposed to higher tempeture
a.contracts
b. evaporates
c. expands
d. sinks