Industrial and technological advancement has brought about a rapid exploration of forest resources. Which one among the following is not the impact of above phenomenon?
1). ?Declining wild life
2). Increase in ground water level?
3). Declining biodiversity?
4). ?Increasing surface water flow
1. Instrument for measuring blueness of the sky or ocean is called ________
2. A device used for converting A.C. into D.C. is called
3. The dimension of which of the following is the same as that of impulse ?
4. Rainbows are produced when sunlight.
5. Which one of the following is applicable to collision-coalescence process of precipitation?
6. The velocity of heat radiation in vacuum is
7. The locomotion of insects to the source of light is called :
8. In a pressure cooker the cooking is fast because