This geography problem is solved step by step below, with detailed explanations to help you understand the method and arrive at the correct answer.
ScanSolve AI Answer
There are two main types of Earth's crust: Continental crust is the layer of igneous, sedimentary, and metamorphic rocks that forms the continents and the areas of shallow seabed close to their shores. It is generally thicker (30-70 km), less dense, and older than oceanic crust. Oceanic crust is the uppermost layer of the oceanic portion of a tectonic plate. It is thinner (5-10 km), denser, and younger than continental crust, primarily composed of basalt and gabbro. Last free one today — make it count tomorrow, or type /upgrade for unlimited.