<span>Schizophrenia
This is a mental disorder characterised by failure to understand what is real and abnormal social behaviour .
Studies across 20 countries have shown a strong link between smoking and schizophrenia .</span>
<h2>The answer to 9 is <em><u>slippage of a block of material moving along a curved surface</u></em></h2>
Answer:a
Explanation: just had the question
