When was thr industrial revolution america?

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

Match each model with its name and the name of the scientist who created it.

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.