Answer:
If <u>bacterial plague</u> (a.k.a. dental plague) accumulates around the teeth over a period of time, periodontal disease may result.
Answer:
Need more details. Like the picture.
Explanation:
<span>He tried to combine the disease resistance of one plant with the food-producing capacity of another.
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Answer:
The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism.
