Answer:
The Environmental Protection Agency
Explanation:
The answer is D
Consulting their chemistry teacher and other students in class would not be in depth enough, so A and B are not the answers.
While consulting a chemistry textbook will be useful, the scientific journal is not the best choice.
However, the chemistry textbook would be great, and the periodic table of elements os necessary if they are doing a study about it so the best answer would be D.
Hope this helps!
It is the motile because it is what cause the movement of cells over surfaces without the aid of flagella
Answer:
Opportunistic pathogens may be defined as the pathogens that are normally not able to cause infection but when get an advantage they multiply in number and can cause disease.
The normal flora of the skin can become opportunistic pathogens as they get the advantage by change in the skin environment. The damage to the sin and their excess multiplication and in case of weak immune system the normal skin flora become the opportunistic pathogen.