The earliest animal to have been domesticated by man most likely the
1). horse
2). pig
3). dog
4). cow
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1. Sea water can be purified by the process of
2. Which of the following is optical illusion?
3. An electron microscope gives higher magnification than an optical microscope because:
4. Decibel is the unit used for
5. The centre of gravity of a sprinter during the race lies
6. Which of the following shows the masses of the three elementary particles in decreasing order?
10. When lime juice is dropped on baking soda brisk effervescence takes place because the gas evolved is