Radiation can cause
A). cardiac disease
B). Haemophilia
C). leukemia
D). bone marrow diseases
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.
A). More, lower
B). More, higher
C). Less, lower
D). Less, higher
Pangolins feed on
A). ants
B). fruits
C). leaves
D). roots
Molten rock deep inside the earth is called
A). core
B). valcano
C). lava
D). magma
The heat energy released when water vapour changes to a liquid is called:
A). Latent heat of evaporation
B). Latent heat of fusion
C). Latent heat of fission
D). Latent heat of condensation