10 what Constitute the ihosphere
Answers
Answer:
The lithosphere is the rigid, outermost shell
This includes the crust and the uppermost mantle, which constitute the hard and rigid outer layer of the Earth. The uppermost part of the lithosphere that chemically reacts to the atmosphere, hydrosphere, and biosphere
Lithosphere Composition
The earth’s crust is not a homogeneous substance; it has different layers of rocks including sedimentary rocks on top, granitic and metamorphic rocks in the middle, and basaltic rocks on the bottom.
The earth’s crust also consists of several large dynamic tectonic plates. These tectonic plates move slowly but continuously at an average rate of around 10 cm. Considering this, there was no Atlantic Ocean, and North America and Europe together were one continent 180 million years ago. The Atlantic Ocean came into being because of the drifting apart from the Eurasian and North America plates.
Types of Lithosphere
There are two types of lithosphere:
Oceanic: Which is associated with oceanic crust and exists in the ocean basins.
Answer:
The lithosphere is the soild, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded bt the atmosphere above and the asthenosphere (another part of the upper mantle) below.