How what you eat demands more water than you think it does. By Kyle Kim, Jon Schleuss and Priya Krishnakumar April 7, 2015 California's crippling drought has prompted conservation efforts, such as replacing grass lawns and minding how long you leave the tap water running.
Hyphen. Alternatively referred to as a dash, subtract, negative, or minus sign, the hyphen (-) is a punctuation mark found on the underscore key next to the 0 key on US keyboards.
Since problem solving follows the noun (skills), no hyphen is needed. Sometimes writers may use what is called a suspending hyphen, a hyphen that is used when two or more adjectives have the same base element, and the base element is shown only with the last term.