Question
Name two solid, two liquids and two gaseous elements at the room temperature.
Two solid elements at room temp.– Iron and copper.
Two liquid elements at room temp.– Mercury and bromine.
Two gaseous elements at room temp.– Hydrogen and oxygen.
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What is gametophyte?
How does roughage differ from concentrates with reference to cattle feed?
Distinguish between the following pairs in one or two sentences for each:
Bone and cartilage.
Name the part of the ear:
connects the pinna with eardrum.
What happens to the work done when the displacement of a body is at right angles to the direction of force acting on it? Explain your answer.