Deduce the meaning of the terms in bold print in the following sentences. 1. unkalkulierbares Gefahrenpotenzial: kalukulierbar is a cognate and means calculable. What does unkalkulierbar mean? incalculable   (To review prefixes click here.) 2. –Potentzial occurs in the compound noun Gefahrenpotenzial. Potenzial is a cognate and means potential What does the term Gefahren mean? dangers    Thus the meaning of the compound noun is: danger potential   3. The compound noun Endlagerproblem is made up of three nouns. End and Problem are cognates and mean end and problem. What does the term Lager mean? load   Thus the meaning of the compound noun is: end deposit problem    4. Biomasse comes from nachwachsenden Rohstoffen which means: renewable resources 5. According to the text, what do the following numbers 2050 and 80 refer to in the context of this text? 2050 2050 is the year when 80 percent of electricity in Germany is supposed to come from sustainable energy sources. 80 80 percent of electricity in Germany comes from sustainable energy sources.