Answer:
b. provide a detailed picture of the habitat in which australopithicines and Homo habilis coexisted about 2.5 mya
Step-by-step explanation:
→Deposits of sediments in lakes and rivers,;
→Low carbon isotopes ratio from carbonate deposits from fossils analysis; showed a wet habitat , and therefore type and population of flora.
Thus these evidences showed the nature of habitat inhabited by the australopithecines .