2004Rocks which contain metals in concentrations high enough to be economically profitable to extract and refine are referred to as?See more
2004In the humid tropical lands, structure of mature forests is closely related to the demand for?See more
2004The process by which organic matter is decomposed and synthesized to form part of the soil is known as?See more
2004The mass of air whose isobars form a circular shape, with low pressure in the centre and increasing towards the outside, is known as?See more
2004If the standard time is of a country is GMT + 1hr, which longitude's local time is adopted by the country?See more
2004A serious environmental hazard which causes both vertical lateral displacement of part of the earth's crust is?See more