Karteikarten

Soils

Ka Hello Geography Junior Certificate Englisch 12 Karten

Karten in diesem Stapel (12)

1Soil isA thin layer of loose material on the earths surface
2Soil is mainly made ofWater, air, mineral particles, humus, roots and organisms
3The factors that influence the formation of soil areClimate, Parent Material, living organisms, landscape, vegetation and time
4The main soils found in Ireland areBrown, Podzol, peaty and gley soils
5Soil is important becauseWithout it plants wouldn’t grow
6The 4 main layers of soil areHorizon A, B, C and O horizon
7Most of the organisms live in which layer of soil?The A horizon (topsoil)
8Beneath the topsoil isThe subsoil (B horizon)
9The deepest layer of soil is calledThe C horizon (parent rock/bedrock)
10The O horizon is the small layer at the very top which containsOrganic material
11Leaching occurs whenHeavy rainfall washes minerals and nutrients down to the subsoil (B horizon)
12Leaching is bad becauseA horizon loses fertility as plant can’t reach nutrients in B horizon