The stratification of parent material (heterogeneous parent material) has a more complex influence on the material migration and soil fertility, compared with homogeneous parent material. The stratification of parent material will be inherited to soil.
举一反三
- The main influencing factors of soil acidification donot include: A: Biology B: Parent material C: Time D: Climate
- (The more) kinetic (energy in) the particles of (a material), the (hottest) the material is.（） A: The more B: energy in C: a material D: hottest
- An opaque material is （） A: a material that can be seen through B: a translucent(半透明的) material C: a material that can not be seen through D: a lucent material
- The cost of materials for product A are as follows. Material W: $2,250 Material X: $3,000 Material Y: $3,600 Material Z: $150 If the material proportions were displayed on a pie chart, how many degrees would material Y represent?
- What is the process principle of welding A: laser radiation onto material B: melting of material C: resolidfying of material D: absorption of material