Question

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Answer 1

Answer:

Q2) 1) This implies as the depth below the surface increases, the pressure of the fluid also increases. ... To withstand this pressure of the fluid, the wall of the dam is made broad at its base. Hence, the wall of a dam is broad at its base to withstand the pressure of the liquid.

2) Smoking is associated with lung disease, cancers, and cardiovascular disease (9). Additionally, a growing body of evidence suggests that these substances might be especially dangerous when they are used together; when combined, alcohol and tobacco dramatically increase the risk of certain cancers.