The earth revolves around the sun at a speed of__________?
A. 18.5 km/sec
B. 26.6 km/sec
C. 29 km/sec
D. 31.9 km/sec
A. 18.5 km/sec
B. 26.6 km/sec
C. 29 km/sec
D. 31.9 km/sec
A. Brain
B. Spinal cord
C. Larynx
D. Eye
The Earth has 3 layers: the crust, the mantle and the core (which is subdivided into the outer and inner core.) Each layer is unique.
One of these scientists formulated basic laws of Geometry?
A. Pythagorus
B. Archimedes
C. Aristotle
D. None
A. It is smaller than the earth
B. It revolves on its axis in a direction opposite to that of the earth
C. It takes equal time for revolution around the earth and rotation on its own axis
D. It rotates at the same speed as the earth around the sun
The energy stored in a dam is___________?
A. Kinetic energy
B. Electrical energy
C. Potential energy
D. None of these
The severity of 2005 earthquake in Pakistan on Richter scale was ?
A. 6.9
B. 7.6
C. 7.1
D. none