Question

Tobacco causes cancer
Alcohol cause dancer ​

Answer 1

$\huge\mathcal\color{teal} Answer :-$

Tobacco is a plant of the genus Nicotiana. It is the crop of the warm climate. Its leaves are picked and then dried for many purposes. Like in smoking, chewing and sniffing. The nicotine present in tobacco makes it a drug which is a stimulant for our nervous system.

Alcohols are the organic compound having the general formula CnH2n+1 O. They have the functional group of OH. Generally they are represented as ROH, where R is an alkyl group. 

Ex :-

Methanol - CH3OH

Ethanol - CH3CH2OH