Answer:
...........................
Explanation:
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(A) The news article. Because the newspaper article is containing information and things that're occurring and are the most popular news recently.
The lens used in a magnifying glass are called convex lens.
It helps keep the heart beating at a steady pace so that it doesn't beat to slow or to fast, it helps prevents heart attacks.
Answer:
The correct answer is - the biofilm.
Explanation:
Biofilms are a type of one or more than one type of microbes that grow on many different surfaces, These microbes include fungi, bacteria, and protist that develop attached to the surface and one another and embedded in a self-produced matrix.
It is a thick film of protein such as fibrin, polysaccharides such as alginate or eDNA secreted by the bacteria, and other microbes that cover the teeth surface.
