What is the difference between lymph and blood ?

What is the difference between displacement and double displacement reactions ? Write equations for these reactions.

What is the difference between noise and music ? Can music become noise sometimes ?

What is the difference between 'Cry'and 'CRY' .

What is the difference between 'Cry' and 'cry'.

What is the difference between endemic and exotic species ?

What is the difference between reflex action and walking ?