A. Gravitational pul
B. Rotation of the earth
C. Revolution of the earth
D. Uneven heating of the earth
A. 1000 cubic feet of air for every 10 minutes
B. 1000 cubic feet of air for every 20 seconds
C. 1000 cubic feet of air for every 20 minutes
D. 1000 cubic feet of air for every 10 seconds
A. Carbonates absorbed from soil
B. Carbon dioxide
C. Oxides of minerals
D. Water
A. It becomes very hard
B. It reflects most of the heat from the sun
C. It has a low specific heat capacity
D. It has a high latent heat of fusion
A. Renal failure
B. Increase of urea in blood
C. Swelling of ankles and feet
D. Muscle cramps, loss of energy, fatigue and faintness
A. 300 grams
B. 500 grams
C. 200 grams
D. 400 grams