C. wafer, wind, animals, earthquakes d. gravity, wind, animals, rivers e. microb

Question

C. wafer, wind, animals, earthquakes d. gravity, wind, animals, rivers e. microbes, rocks, water, wind, Circle the correct answer True or False 9. weathering of parent materials initiates soil formation earthworms and other burrowing organisms improve infiltration, percolation, and rooting depth TF mycorrhizae are bacteria that increase soil volume explored by roots. more lime is required to raise soil pH from 4.5 to 6 in a clay soil than in a sandy soilT F sandy soils eventually weather to clay soils. slope grade represents the direction the slope faces .. calcareous and alkaline soils are common in humid regions............ fungi are microorganisms isolated from soils used to produce antibiotics. there are many plants that can tolerate or prefer acid soils a liming material should neutralize acids and bases in soil. in saturated soils, anaerobic bacteria convert nitrate (NOs) to nitrogen gas (N2). sodic soils commonly occur in regions of high weathering intensity. . the source of parent material determines soil texture.. a calcareous soil contains CaCOsand has a soil pH

Explanation / Answer

1. true

2.true

3.false

4.true

5.false

6.false

7.false

9.true

11.true

13.true

14.false

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