14. How does soil help plants? It __________
A. provide anchorage
B. serves as home for many plants
C. provides necessary nutrients for growth
D. all of these are correct answer
15. Which soil has loose particles?
A. loam
B. clay
C. sand
D. rocks
16. Why is soil called a renewable resource? Because_________
A. will not last long
B. available for use anytime
C. can be recycled
D. needs to be conserved
17. Which best describe humus? It is__________
A. a mixture of decayed plants and animals
B. a combination of any types of soil
C. forms part of the loam soil
D. topmost layer of the soil
18. Which of these kinds of water contains salt?
A. fresh water
B. sea water
C. ground water
D. mineral water
19. Which best describes fresh water? It is
A. called surface water
B. found beneath under the earth's surface
C. salty water
D. underground water
20. What are the uses of water?
A. use for washing clothes
B. use for transportation and recreation
C. serves as habitat for some animals like fishes and sharks
D. answers in A, B, and C are correct​