True or false: the fossils record cannot help us understand the transition between organisms

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

9. the history of life on earth is recorded in