How do we know what the Earth looks like from the inside?

firstly, the calculations of physicists. We knew the distance to the moon long before the first flight into space. Secondly, the landforms and historical chronicles about their changes and conclusions based on them.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.