Diagnosis
-KAD
There is no 'mimic' disease. You must have read something about how certain symptoms can mimic diseases of one kind or another.
The properties in identifying minerals are color,luster,hardness,cleavage and fracture,and streak.
colds, and infectious diseases
Diseases that are not transmitted from one person to another
Diseases that can be transmitted from one organism to another
Communicable diseases are diseases that can be passed from one person to another. These include all STDs, such as AIDS, as well as many other diseases.
Making decisions is the act of deciding something one way or another.
Blunder
Friends are unable to make decisions for one another. It is because of the difference in views some friends have got.
Because non-communicable diseases are not passed from one person to another - communicable diseases are.
Another way to say in between decisions is saying that you are indecisive. Indecisive means not settling an issue, indeterminate, undecided and unsettled.
The authors' purpose for writing and identifying generational differences and their causes was to make the readers learn and appreciate one another.