Which drugs include types of pain medication and heroin and are highly addictive, cause slow breathing, and damage to the liver and heart?

A) narcotics

B) marajuana

C)alcohol

D)nicotine

b

Explanation:

i think in science i learnt something about it being perscribed to people and also threes such thing as medical marajuana sooo

but c sounds much more like the criteria given

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35