In the mid-twentieth century and corroborated ever since, researchers dredging the seafloor could not find any materials older than 180 million years.
<h3>
What do you understand by seafloor ?</h3>
The surface of an ocean or sea: seafloor According to this theory, the Earth's crust is divided into a number of enormous plates that together form the continents and ocean floors and are supported by a warm, plastic "mantle" beneath the surface. Mr. Walter Sullivan
Deposits of common minerals like copper, zinc, nickel, gold, silver, and phosphorus can be found on the seafloor. These deposits are nodules on silt from the abyssal plain that are typically 3 to 10 centimeters (1 to 4 inches) in diameter and appear as crusts on volcanic and other rocks.
To learn more about the seafloor, Visit:
brainly.com/question/1327852
#SPJ4
The Rhine River<span> begins at the Rheinwaldhorn Glacier in the Swiss Alps and flows north and east approximately 820 metres. This </span>river<span> is arguably the </span>most important<span>waterway in </span>Germany<span> and is linked by canals to other </span>major rivers<span> in Western Europe.</span>
What do you call the lines on a topographic map that indicate the elevation of the land forms?
topographic lines
e largest of the continents is Asia, which covers about 17.2 million square miles
They are often very rich in nutrients and hold water well because of their volcanic ash content. ... These soils are called Andisols, and they are often very young, and acidic depending on which type of volcano they come from.
