When two oceanic plates collide, the younger of the two plates (because it is less dense)* will ride over the edge of the older plate. *(Oceanic plates grow more dense as they cool or move further away from the Mid-Ocean Ridge). The older, heavier plate bends and plunges steeply through the athenosphere, and descending into the earth, ir forms a trench that can be as much as 70 miles wide, more than a thousands miles long, and several miles deep.
Answer:
<u><em>River valley civilizations</em></u>
Explanation:
They were centred around various river valleys as their main source of livelihood and the flourished only due tiote river valley on which they were based. Like the harappan in Indus Valley, The yellow river (Huang He), the Mesopotamia around Tigris and Euphrates and the egyptian Nile.
For continental U.S. the answer is never. Since the earth's rotation axis is tilted 23.5 degrees with respect to its orbital motion around the su, one would have to be less than 23.5 degrees above or below the equator to have the sun pass direclty overhead
Answer:
Because time varies with change in longitudes
My story would be on the way to the core of the earth they pass the sial, upper crust,lower crust, they smell Radium, stenches of landfill. Layers of the earth are Upper crust, lower crust, lithosphere,asthenosphere, mantle, outer core, and inner core.
