Acid rain is caused by release of ___ and___ into the air.
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The maximum number of electrons that can be accommodated in a shell is indicated by the formula
The number of neutrons present in a nitrogen atom is ___.
The red planet is ___________.
The ____ of a substance is defined as the mass per unit volume.
The kinetic energy of a ball weighing 0.5 kg moving with a velocity of 4 m/s will be
If the distance travelled by an object is zero, then the displacement of the object
Which country won the first cricket world cup?