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Why aren't ancient rocks found on the seafloor?
Because of erosion, or because of sea floor spreading. Sea floor spreading would be the cause of it because it moves the rock to a submerging area and the mantle's hot "body" melts it. Now erosion would be part of it because it erodes the rock away, leaving sand or dirt from that rock. If they were looking for ancient sand, then they would most definitely find it.
In the process of sea floor spreading what happens when magma rises to the earths surface and solidifies?
Yes. Seafloor spreading is the term given to the creation of new seafloor at divergent boundaries. At a divergent boundary, two oceanic plates move apart, which obviously means that something must then surface to fill the void. This is where the magma rises from the Earth's interior and cools to become seafloor. On the other end, at convergent boundaries, the old seafloor is forced under the continental plates, where it is recycled back into the Earth's magma supply.
What is the difference between straight and strait?
Strait is a type of form of water.... Like the Bering strait. Straight means straight, like a ruler.
What is the geothermal gradient in the Earth's oceanic crust?
The geothermal gradient in the Earth's oceanic crust is around 25-30°C per kilometer depth. This means that the temperature increases by about 25-30 degrees Celsius for every kilometer of depth below the seafloor in oceanic crust.
A quadrant may be long and narrow?
Since a quadrant is the upper or lower, right or left side of a specific place or thing, then it can be long and narrow, or short and wide. For example, when a physician examines a person's abdomen, the way he defines which part of the abdomen to which he is referring, it is charted (documented) as the "upper right quadrant", which means the upper half, on the right side of the abdomen. The same could apply to a parcel of land. The lower left quadrant of a piece of land would be the lower left section of the land, which can be any shape, as well. Quad means "four", therefore, quadrant means a "one fourth" section of a place or thing, and can be any shape or size.
What is trouph in science?
A trough in meteorology means a narrow elongated region of relatively low atmospheric pressure occuring at the ground surface or in the upper atmosphere and often associated with a weather front.
What is the medical term meaning elongated chin?
Dolichofacial is the medical term meaning "elongated face."
What is an oblong pulpit lectern?
Oblong means that something is elongated. Examples are a rectangle and an oval. An oblong pulpit lectern would be a lectern that is elongated in shape.
What is sports in romaji?
Supōtsu. The dash above the o means the sound is elongated. Supootsu.
What is the meaning of name 'Kyle'?
Kyle means "narrow, straight".
What does Kylan mean?
It means the "STRAIT & NARROW PATH".
What is narrow span of management?
Narrow span of management means a single manager or supervisor oversees few subordinates.
Change the word lean into a word that is narrow road?
To change lean into a word that means “Narrow road.” The answer is Lane.
What does A2 width mean in a ladies shoe?
A2 width means a double narrow. A is a regular narrow A2 is double narrow and A3 is triple narrow. These are also just referred to as A, double A or triple A.
What does narrow topic mean?
When you're talking about topics, narrow means more specific and broad means less specific. A broad topic would be "Trees," while a narrow topic would be "Deciduous trees of the Southern United States."
Vasoconstriction means that the lumen of the blood vessels gets?
Narrow
WHAT STARTS WITH PEN AND MEANS A LONG NARROW FLAG?
PEN
