Which of the following harmful substances can be found in e-cigarette aerosol that users inhale and exhale?
1. Nicotine
2. Diacetyl
3. Volatile organic compounds
4. Ultrafine particles
5. Heavy metals such as nickel, tin, and lead
Select the correct answer using the codes given below:
1
1, 2, 3 and 5 Only
2
3, 4 and 5 Only
3
1, 2, 4 and 5 Only
4
1, 2, 3, 4 and 5 Only