Question

Please solve green olympiad paper level 2 (6,7 & 8 class)

Answer 1

72. M not really sure but i think it is digestion.

73. c) dust particles

74.  a) saudi arabia

75. c) solar energy

76. d) carbon monoxide

77. c) quantitative pollutants.

78. b) wet scrubber

79. b) excessive artificial light.

80. a) industry (not sure though)

81. c) anthracite

82. c) africa

83. b) apollo 11

84. d) nitrogen

85. b) cyclones

86. d)

87. c) thermal energy

88. d) all of the aabove

89. m not sure of this

90. c)

91

92. d )

93. d)

94. b)