Fossils act as evidences of organic evolution. Which one of these features does not justify the feature of fossils?
(a) They are remains of hard parts of life forms that existed in the past.
(b) They are the remains of decayed and decomposed body parts.
(c) Fossils present in the lower strata of the earth are older than those present in the upper strata.
(d) Study of fossils in different sedimentary layers indicates the geological period in which they existed.
