How can an economy have elements of all three economic systems

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

How was the government that was created at the constitutional convention similar to the one proposed in the virginia plan?

Which action bestillustrates the process of making an interpretation? a. a historian reads a secondary source about the cold war to find out the dates and locations of important historical occurrences. important historical occurrences, b. a historian publishes a popular article about racism in 20th- century south africa but does not cite any sources. c. a historian writes a textbook designed to teach college students about the duties of a professional historian. d. a historian reads speeches by english and french leaders during world war il to differentiate between their content and tone.