Radiation can cause
A). cardiac disease
B). Haemophilia
C). leukemia
D). bone marrow diseases
1. The most abundant greenhouse gas in the earth's atmosphere:
3. The Primary Consumers are also called as
4. Green Revolution in India was initiated by __________
6. The destruction of the forest areas by man made efforts is called
7. _________ causes loss of water because of seepage of water into the soil.
8. The famous Minamata disease in Japan is due to the accumulation of____________in fishes.
9. During the winter solstice in the Northern Hemisphere:
10. Typically, water vapour occupies about what percentage of the air's volume near the earth's surface?