Question
Write any two observations which support the fact that atoms are divisible.
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Name two countries that are centres of megadiversity.
List one denitrifying bacteria.
Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
Why does the amplitude of oscillation get reduced over a period of time? Explain with diagram.