This statement is true. Plaque is considered dangerous because it can break off and create a clot in the arteries. one of the most common results of this is heart attack.
I'm going to say be because different malls can't survive in different environments
These preparations are called Vaccines. <span>A </span>vaccine<span> is a biological preparation that
provides active acquired immunity to a particular disease. A </span>vaccine<span> typically contains an agent that
resembles a disease-causing micro-organism and is often made from weakened or
killed forms of the microbe, its toxins or one of its surface proteins</span>. I
am hoping that this answer has satisfied your query and it will be able to help
you in your endeavor, and if you would like, feel free to ask another question.
Answer:
chemical, mechanical, electrical
Explanation:
