The ozone layer protects us from harmful _______________ rays of the sun.
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How many Union Territories are there in India?
Who was the first lady Governor of an Indian State?
In the following list of devices, which device is used in datalink layer?
The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is
If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,
If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°⩽θ≤90°)
Who discovered Proton?