Answer:
I believe a layer deep underground would have older things, because the ground could erode over time causing the fossil to sink into the ground.
Porous and Impermeable Rock These pores, or tiny holes, result in the rock's porosity. If water can move through a rock, the rock is permeable. Eventually, the water reaches a layer of rock that is not porous. This rock is impermeable.
The primary function of the respiratory system is to supply blood with oxygen
The statement that could be categorized in the overlapping section of the Venn diagram would be option A. All the statements given above are about the aerobic and anaerobic respiration. The Venn diagram is used to show the similarities and differences between the two. The overlapping section of the diagram shows the similarity and it "uses pyruvate or pyruvic acid".
