50 Free Resources That Will Improve Your Writing Skills. Effective writing skills are to a writer what petrol is to a car. Like the petrol and car relationship, without solid skills writers cannot move ahead. These skills donât come overnight, and they require patience and determination. You have to work smart and hard to acquire them.
Canker sore. Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.Unlike cold sores, canker sores don't occur on the surface of your lips and they aren't contagious. They can be painful, however, and can make eating and talking difficult.anker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.
Relevance. Rating Newest Oldest. Best Answer: Canker sores, also called apthous ulcers, are small, painful ulcers inside the mouth. They typically have a red border, are not contagious, and may occur on your tongue, inside your cheeks or lips, and on floor of your mouth.Although canker sores are common, in many cases the cause is unknown.They generally take one to two weeks to heal.hey typically have a red border, are not contagious, and may occur on your tongue, inside your cheeks or lips, and on floor of your mouth. Although canker sores are common, in many cases the cause is unknown. They generally take one to two weeks to heal.