What are metal bearing rocks called?
A). Bitumen
B). Bauxite
C). Metalloids
D). Ores
1. Mammary glands are modified
2. The genetic unit of a cell is—
3. Greenhouse effect is caused by
4. A pond of water appears less deep due to
5. Taj Mahal is greatly affected due to :
6. Which of the following metals causes ItaiItal disease ?
7. Water gas is the mixture of