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the part of the cell that controls all the activities of the cell and plays an important role in...
centre part of an atom with positive charge concentrated in a tiny kernel.
an atom with a unique atomic number and unique mass number.
the law that states that if a × b = 0, then a = 0 or b = 0,...
the quantity of a fraction that is written above the fraction line.
a chemical substance found in food that is essential for maintaining life.
is the supply of materials, in the form of food, required by organisms and cells to stay alive...
the total number of people living in an area divided by the total area of cultivated land they...
is a medical condition in which excess body fat has accumulated to the extent that it may have...