Question

which is the solid crust or the hard top layer of the earth​

Answer 1

$\huge\bold\red{Answer}$

lithosphere

The lithosphere is the rocky outer part of the Earth. It is made up of the brittle crust and the top part of the upper mantle. The lithosphere is the coolest and most rigid part of the Earth....☺

Answer 2

Answer:

here is your answer mate.............

Explanation:

The lithosphere is the rocky outer part of the Earth. It is made up of the brittle crust and the top part of the upper mantle. The lithosphere is the coolest and most rigid part of the Earth.

please mark it as brainliest..