Groups of stars that contain the greatest numbers of stars are? select one: a. globular clusters. b. open clusters. c. star systems. d. galaxies.

Aprocess in green plants that involves the use of carbon dioxide and water in the production of glucose and oxygen using the suns energy

When analyzing tree rings, what do scientists assume a thin ring indicates?

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.