How would you define what the conductivity of a substance is?

Conductivity of a substance is defined as 'the ability or power to conduct or transmit heat, electricity, or sound'.

Explanation:

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where's the diagram?

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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