Answer:
nicotine
Explanation:
Nicotine is found in all tobacco products, even if only a little bit.
Answer: nicotine
Explanation: very addictive in vapes
Answer: B
Explanation: Aphthous ulcers are white, round, or oval lesions surrounded by a red halo that appear on the buccal mucosa.
Answer: i think it is A and B
Explanation: hoped it worked for you
