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1 Ans:Human resourse development plays an important role in the area of business. This helps to improve the quality of the workers that are involved in the business. It involves developing the learning, knowledge skills and ability of the worker.
2 Ans:The humus content of laterite soil is low because this soil is found in the regions of high temperature and heavy rainfall. Due to high temperature, the decomposers or bacteria in the soil get destroyed and hence the humus content is less.
3 Ans:Clayey texture and are highly fertile.
Rich in calcium carbonate, magnesium, potash, and lime but poor in nitrogen and phosphorous.
Highly retentive of moisture, extremely compact and tenacious when wet.
Contractible and develops deep wide cracks on drying.
4 Ans:In June 1992, more than 100 heads of states met in Rio de Janeiro, Brazil for the first International Earth Summit. It was held for addressing urgent problems of environmental protection and socio-economic development at the global level.
5 Ans:The use of land is determined by physical factors such as topography, soil, climate, minerals and availability of water. Human factors such as population density, available of capital and technology are also important determinants of land use pattern.