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A planimeter is an instrument used for measuring the area on maps or any plane surface.
Food cans are coated with tin and NOT zinc because ________.
Which gas is responsible for the ozone layer's depletion?
Which one among the following statements about blood transfusion is correct?
Blood group B can give blood to
The phenomenon of splitting white light into its component colors is called:
Trans fats are considered unhealthy because they:
The pores on the surface of leaves which help to take in the carbon dioxide are known as which of the
following?
Natural radioactivity was discovered by
According to Newton’s second law of motion, the acceleration of an object is directly proportional to the
Which of the following statement(s) is/are true?
I. During inhalation ribs move out
II. During exhalation ribs move in
Which device is used to measure atmospheric pressure?