Soil Around the World Answers

Aridisols are soils characteristically found in _______.a.forestsb.plainsc.desertsd.swamps

Soil compaction results from _______.a.the reduction or elimination of pore space in soilb.the weight of heavy machinery on soilc.livestock walking over soild.all of the above

Which of the following is not a defining characteristic of soil?a.mineral compositionb.humidityc.textured.color

What characteristic is shared by both inceptisols and entisols, the soils of flood plains?a.They both have well-developed soil horizons and profiles.b.Both are young and only beginning to develop horizons and a soil profile.c.They are both at the final stage of soil development.d.None of the above

Why might soils rich in organic matter not be fertile?a.Soil fertility comes from a balance of organic matter and other mineral nutrients.b.Large amounts of organic material make soil retain too little water.c.Soil fertility is a result of the inorganic minerals present.d.Soils rich in organic material are always highly fertile.

Soil compaction can result in increased flooding in an area.

The organisms native to an area will impact the types of soil found in that area.

What kind of vegetation do fertile, well-developed alfisols support?a.desert scrubb.peat bogs and marshlandc.temperate forestsd.tropical rainforest

Why is volcanic soil (andisol) very fertile?a.It is rich in minerals from volcanic deposits.b.It is a young soil with low water retention.c.It has been leached of mineral nutrients.d.Volcanic activity warms the soil.

Soil color only reflects the amount of organic matter present in soil.