Based on the big bang theory, approximately how old is the universe? a. 14 billion years old b. 100 million years old c. 6000 years old d. 4.6 billion years old

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.