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mario62 [17]
3 years ago
8

What diseases is cause by cigarette smoke

Biology
1 answer:
Tanzania [10]3 years ago
6 0
Cigarette smoking causes most cases of lung cancer.
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True

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Please help......................,​
Gre4nikov [31]

Answer:

Explanation:

in all the question we have to use same technique

in 1 question

weight/force exerted by dorje(F)=1500N

total surface area of sole(A)=0.5m²

we know that,

   P=\frac{F}{A}

or, p=\frac{1500}{0.5}

∴ P=3000pa

in question 2nd

pressure(P)=40 pa

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ow you can do other by yourself

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