18. Why is it dating important? A. it traced the background of the couple

B. it helps to know the negative attitudes

C. it improves the level of qualification towards opposite sex

D. it develops affection and respect for each other​

Explanation:

C. it improves the level of qualification towards opposite sex

I think so

D. It develops affection and respect for each other

Explanation:

When your in relation you need to respect and trust each other

answer(c); cultural values may have affected jack's grandmother's and aunt's belief about extended family;

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.