A. ionosphere B. exosphere C. stratosphere D. troposphere
A. temperature B. location C. weather D. All of the above
A. Machine Tools B. Cement Industry C. Bio-technical Industry D. Aviation Tools
A. clayey loam B. rich , muddy and saturated with water C. deep, loamy, well drained D. humus, rich in…
A. 8-10 km above the earth's surface B. 5-8 km above the earth's surface C. 5-10 km above the earth's…
A. whenever the normal decrease of atmospheric temperature B. when the decrease in temperature or moisture or both takes place…
A. air is rising B. atmospheric pressure is low C. at the equator and in the mid-latitudes D. All of…
A. speed of satellites B. speed of ships C. distance between bodies in the universe D. speed of rockets
A. spring tide B. low tide C. ebb tide D. None of the above