Question
‘A substance has a definite shape as well as a definite volume’. Which physical state is represented by this statement?
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Give two examples of prokaryotic cell.
What kind of energy is possessedby the following?
A compressed spring.
What is correct?
Regular use of OSR cures diarrhoea.
Name the biologist who established that pathogen is a disease agent.
Name two potassic fertilizers.