Remember that a theory does not become a law because by definition, a theory can always be altered whereas a law is fact and does not change. Give an example of a theory in science: Give an example of a scientific law.

One group of reptiles, characterized by the fossil ark metal x

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

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.