QUES: Seborrheic dermatitis It is a common skin condition that primarily affects the scalp causing shells scaly itchy red skin and dandruff abundance

correct the punctuation.

CORRECTED: Seborrheic dermatitis - It is a common skin condition that primarily affects the scalp, causing shells scaly, itchy, red skin and dandruff abundance.

QUES: A projection on the other hand says what will happen under a set of assumptions

correct the punctuation.

CORRECTED: A projection, on the other hand, says what will happen under a set of assumptions.

QUES: The quiz is usually based on an individual title from Brunstad Christian Church literature and serves as an entertaining means of education for church youth

correct the punctuation.

CORRECTED:
The quiz is usually based on an individual title from Brunstad Christian Church literature, and serves as an entertaining means of education for church youth.