Scientific Thinkers didn't accept it immediately because its has no proof or lack of information that needed to be prove by all others scienctific thinkers
Think of the mantle like a peanut butter sandwich<span>. You have the two pieces of bread and the </span>peanut butter<span> between them. In the </span>mantle<span>, we have two layers of solid rock with heated flowing rock between them. Next is the outer core. •</span>ω•