The correct option is B.
A multi cellular organisms has many cells which carry out various function and which are organised into tissues, organs and organ system. A unicellular organism on the other hand has only one cell with different cell organelles. Thus, in unicellular organisms, it is the cell organelles that carry out different functions. <span />
Because types of chemicals in minerals need to form.
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The Nitrogen is the component <span>of the atmosphere that provides great stability due to its own stability as a molecule.</span>
