The options for the question are:
a) Core
b) Mantle
c) Asthenosphere
d) Lithosphere
The correct answer is Lithosphere. Lithosphere is defined as hard outer part of the Earth that contains Crust and somewhat upper portion of the Mantle. The Earth's crust is made up Tectonic Plates which are in constant state of motion. So from the given options, Lithosphere is the correct answer.
Rivers, fertile soil, temperate climate
I think the correct answer from the choices listed above is option C. It is the Amazon river that can swell to over 30 miles wide during its annual flooding season. <span>The </span>Amazon River<span> in South America is the largest river by discharge of water in the world and the longest.</span>