Question

What do you mean by tectonic plates ???

Answer 1

• A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. ... Continental crust is composed of granitic rocks which are made up of relatively lightweight minerals such as quartz and feldspar.

Answer 2

Answer:

Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere

Bonus answer

When the plates move they collide or spread apart allowing the very hot molten material called lava to escape from the mantle. When collisions occur they produce mountains, deep underwater valleys called trenches, and volcanoes. .The Earth is producing "new" crust where two plates are diverging or spreading apart.

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