Which property (quality) of fossils allows scientists to determine the relative ages of rock layers? A. Fossils show change over time as species evolve.
B. Fossils form from the remains of living organisms.
C. Fossils are usually found only in sedimentary rock.
D. Fossils can be analyzed to determine their exact age

1

Explanation:

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.