the answer is true - sorry this had to be more than 20 characters
Answer:
1 false- you need to worry about your mental health
2 false
7000 chemicals. ..........
Answer:
An aphthous ulcer is an ulcer that forms on the mucous membranes. They are also called aphthae, aphthosis, aphthous stomatitis and canker sores. ... Recurrent aphthous ulcers are mostly a minor nuisance, but they are associated with significant health problems in some people.
