Question

why is organic matter important in soil?
o a it provides minerals only
o b it improves soil structure and supplies nutrients
o c it makes soil heavy
o d it dries out

question 9 (1 point)
what does healthy soil do for water?
o a filters and cleans water
o b only stores water
o c turns water into clay
o d makes water evaporate faster

question 10 (1 point)
which living organisms can be found in healthy soil?
o a only grass
o b fish
o c only humans
o d bacteria, fungi, insects, and worms

Explanation:

• For the first question, organic matter improves soil structure by binding soil particles and supplies nutrients as it decomposes.
• For the second question, healthy soil acts as a natural filter, removing contaminants and cleaning water as it percolates through.
• For the third question, bacteria, fungi, insects, and worms are common living organisms in healthy soil that contribute to nutrient cycling and soil aeration.

Answer:

• Question 1: b. It improves soil structure and supplies nutrients
• Question 2: a. Filters and cleans water
• Question 3: d. Bacteria, fungi, insects, and worms