Is the group of words a phrase or a clause? They contain about seventy-five percent of its fresh water.

Yes

Explanation:The first step to identifying the different types, though, is to understand the difference between a phrase and a clause. A phrase is a related group of words. The words work together as a "unit," but they do not have a subject and a verb. A clause is a group of words that does have both a subject and a verb.

line a --> main

line b --> young

line c --> atitude