The one ways to determine the relative ages of rock layers is igneous intrusion. Thus, option E is correct.
What is igneous intrusion?An igneous intrusion is a mass of igneous rock that develops under the Earth's surface when lava slowly cools and crystallizes. Before reaching the surface, lava cools and hardens, creating igneous intrusions.
An extrusion is always older than the rock strata underneath it. Magma may press through bodies of rock beneath the surface. There, the magma cools and solidifies into an intrusion, a mass of igneous rock. A rock incursion is always more recent than the strata above and below it.
Igneous intrusion is the only factor that may be used to estimate the relative ages of rock strata. Option E is right as a conclusion.
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