Answer:
B. Gravel has more porosity than sand
Explanation:
Porosity is the gap between stuff. Water would go through gravel easier than sand. Definition of Porosity is -(of a rock or other material) having minute spaces or holes through which liquid or air may pass.
Scientists have tested all the information that this is all about
Answer:
the is no anser bicos the is not a question
Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.