What is soil?, matter made up of rocks, remains and wastes of organisms, water, gases and microorganisms, matter made up of rocks, pebbles, sand, cement, matter made up of water, soil, rocks, cement, What is weathering?, breaking down of soil into dust through physical and chemical change, breaking down of roots into soil through physical and chemical change, breaking down of rocks into soil through physical and chemical change, What is deposition?, process of breaking down rocks, soil and organic materials in one location, process of laying down rocks, soil and organic materials in one location, process of smashing rocks, soil and organic materials in one location, What type of soil is this according to its texture that has larger particles than clay?, silt, clay, sand, loam, What type of soil is this according to its texture?, silt, clay, sand, loam, What type of soil is this according to its texture?, silt, clay, sand, loam, What type of soil is this according to its texture where it is balanced proportion of sand, silt and clay., silt, clay, sand, loam, What is soil erosion?, wearing or moving away of soil layers, breaking down of rocks, moving of water, What is the correct order of the layers of the soil?, bedrock, subsoil, topsoil,, topsoil, bedrock, subsoil, topsoil, subsoil, bedrock, Which layer composed of solid rocks?, subsoil, bedrock, topsoil, Which layer is the mixture of minerals and some humus?, subsoil, bedrock, topsoil, Which layer is the richest layer of the soil?, subsoil, bedrock, topsoil, What causes soil erosion?, wind, water, human and human activities, animals, plants, clouds, What is sand dune?, pile of soil, cement, rocks, pile of rocks, waste, soil and other materials, pile of sand forms near the rock and it mound grows bigger and bigger, What is kaingin?, planting of trees, cutting ang burning of trees, cutting of wild weeds and flowers, Effects of erosion, Give your own answers, ., How to conserve soil?, Give your own answers, .

Earth

per en/la
Imprimir
Incrustar

Tauler de classificació

Estil visual

Opcions

Canvia de fonament

Restaurar desada automàtica: ?