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.
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<h2>
Russia has the lowest population density in Eastern Europe.</h2><h2 />
Explanation:
Russia is the country with negative growth rate. The estimated population of 2020, is 145.93 million. At present, it ranks the 9th populated country. The largest city in Russia is Moscow with a population of 12.1 million people.
Due to the harsh climate, Russia is the most sparsely populated countries throughout the world. Russia is an urban country as 74% of Russians live either in towns or in cities.
Recently, the population has increased rapidly as people shifted from the remote areas to cities for better opportunities.
B! A tsunami is a huge sea wave caused by seismic activity in the ocean!
