Answer: B
Explanation: Aphthous ulcers are white, round, or oval lesions surrounded by a red halo that appear on the buccal mucosa.
Answer:
1 .The two properties of glass are transparency, and breakage resistance.
2. The two properties of fiberglass that make it suitable for insulating homes is because it eliminates air movement in the space that it occupies, and also it helps the spread of heat.
Explanation:
A pre competition meal provides the calories, nutrients, and liquids you need to complete an athletic competition. The meal should give you the energy you need to preform & prevent hunger during the competition
