Arthur and Helmut became friends when Helmut was a German exchange at Arthur's high school. After high school Helmut moved back to Germany, but they've stayed in touch throughout the years. This is an example of a friendship.

Long-term friendship

Explanation:

Arthur and Helmut became friends when Helmut was a German exchange at Arthur's high school. After high school Helmut moved back to Germany, but they've stayed in touch throughout the years. This is an example of a long-term friendship.

A long-term friendship is a long lasting friendship between two or more people that transcends distance and time, it involves the genuine care for one another and the interest of one another which is manifested in constant communication between the parties involved. Long-term friendship involves a lot of forgiving and understanding between the parties to make it work. Prior to the advent of messaging technologies such as the internet and mobile phones, long-term friendships was believed to only exist between individuals with close proximity, who see day to day but technology has made friends more connected even though they do not get to see each other, the most essential ingredient is communication between the friends which is achieved via the internet and mobile phones.

the answer is either c or d i think its d

answer; genetics;