Answer: Principle of Superposition
Explanation: In an otherwise undisturbed sequence of sedimentary strata, or rock layers, the layers on the bottom are the oldest and layers above them are younger. Principle of Original Horizontality: Layers of rocks deposited from above, such as sediments and lava flows, are originally laid down horizontally. Hope this helps!
North Ireland is not part of Ireland even though they are on the same piece of land.
spray zone is the rocky intertidal zone, also called the super tidal zone, is only covered by water during strong storms.
The topmost region where the marine ecology and terrestrial ecosystem converge is known as the Spray Zone. It is a transitional area, and the breadth and height vary from one location to the next. In the image above, a rock with a few weakly growing terrestrial plants meets a pine forest. The water is close to the bottom of the grey rock wall.
The organisms that dwell in the Spray Zone must be resilient to desiccation (drying out), salt spray, wind, and sporadic surf action. The terrestrial plants that you can see growing between the pine forest and the rock can withstand salt and set roots in fissures and fractures where soil has been trapped and stabilized. Low species diversity can be seen in this area. Do you recall the dominant organism in the spray zone? Let's get to know this plant, hint.
Learn more about Spray Zone here
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