41. The ‘stone’ formed in the human kidney consists mostly of calcium oxalate.
42. Afternoon rains in the equatorial region are the result of convectional influences.
43. Bore is caused by rising tide while meeting river currents.
44. Vitamin C gets destroyed on heating.
45. Silicon is the element required for solar energy conversion.
46. The element responsible for producing the color of human skin is melanin.
47. The sum of all ecosystems is classified as the biosphere.
48. The Big Bang was an explosion that occurred 15 billion years ago.
49. The height of the atmosphere layer mesosphere is 85 km.
50. Emphysema involves damage to the alveoli sacs related to smoking.
51. Heat energy from the Earth’s interior does not significantly contribute to the heating of the atmosphere near the Earth’s surface.
52. The temperature at which water boils depends mainly on air pressure.
53. “Elephant” is a large unit of paper measurement equal to 28 by 23 inches.
54. The top atmosphere of the Earth directly reflects back into space nearly 30% of the total amount of the sun’s energy coming to it.
55. Jupiter is the largest planet.
56. The scientific study of current and past landscape formation is known as geomorphology.
57. Venus is the most brightest planet amongst the eight planets.
58. The battery was invented by Alessandro Volta.
59. A microphone converts sound energy into electrical signals.
60. Stars are mainly made of balls of gas.