Dear student,
All of them are the result of deforestation.
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.
The answer is mental/emotional
A possible response of doing a zero tolerance action is ISS(In school Suspension), suspension, or getting expelled.
