A chronometer measures:
A. Colour contrast
B. Sound waves
C. Time
D. Water waves
Answer: Option C
A. Colour contrast
B. Sound waves
C. Time
D. Water waves
Answer: Option C
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
Measurement of colors
Hair, nails and claws are derived from:
chronometer is used in marine navigation .