4. To identify a rock, which two characteristics do geologists study? sc.7.8.6.2

-appearance and location
-color and shape
-crystals and holes
-texture and composition

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.