6. Which type of soil do you usually efect if the community is along the seashore?
8. Clay
C. sand D. silt
7. How does soill help plants?
A Provide anchorage
C.provides necessary nutrients for growth
8. serves as home for many plants
D. all of the above
8. Why does soil called a renewable resource? Because it
A will not last long
8. available for use any time
C can be recided
D. needs to be conserved
A a mixture of decayed plant and animals
8. a combination of any of the types of soil
C Forms part of the cam soil
D. topmost layer of the soil
10. Which of these variables refer to the things, material or condition that remain constant or the same in
the experiment
A Manipulated variable
C. Controlled variable
5. Constant variable
D. Experimental