Answer:
False
Step-by-step explanation:
due to popular belief, e-cigarette users don't inhale or exhale water vapor.
E-cigarettes produce an aerosol that pollutes the air. The aerosol is a mixture of nicotine, tiny particles of metals, and some of the same harmful toxic chemicals found in secondhand smoke.
so no the lquid in e-cigarettes are not just 'water vaper'