Answer:
Physical change
Any change to the physical properties of a substance is called a physical change.
Physical changes are usually reversible as no new substance is formed. It is the same substance but with changed physical properties.
Chemical change
A change in which one or more new substances are formed is called as a chemical change.
Usually a chemical change involves a chemical reaction, which forms new products.
Example : Rusting of Iron, or burning wood.
Explanation:
have a good day <3 sorry i could answer q1 only ill think baout the others..
In this case, the patient has to be moved into an isolated room or into a private room. Vancomycin resistant-enterococci are said to develop a resistance against vancomycin. Enterococci normally live in our skins and intestines as normal flora, therefore it does not cause any problems. In patients who are immunocompromised, they are more likely to be affected by these organisms which commonly infect the intestines, urinary tract infection and wounds. These bacteria are said the be difficult to treat with since there are lesser antibiotics who have greater strength compared to vancomycin.
An hypothesis is an educated guess whereas a theory has supporting evidence to help prove the point to be correct. (I THINK this is right)