Answer: Eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.
Explanation: I hope this helps!
You are right, "D" is the correct answer.
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Brainliest answer is always appreciated.
If the rocks are layered on a fine scale
If the rocks are homogenous
If the crystals in the rock vary in size
Scientific ocean exploration began in the 19th century, using wooden sailing ships. At that time, explorers had none of the technological sophistication and tools available today. A comparison of modern-day exploration with the late 19-century journey of the HMS Challenger<span>illustrates the progress that science has made in ocean exploration.</span>
Plains<span> occur as lowlands along the bottoms of </span>valleys<span> or on the doorsteps of mountains, as coastal </span>plains<span>, and as plateaus or uplands. In a </span>valley<span>, a </span>plain<span> is enclosed on two sides but in other cases a </span>plain<span> may be delineated by a complete or partial ring of hills, by mountains or cliffs.</span>
