100 Great Mysteries of Planet Earth

The past and present of our planet are mysterious, and its future is even more enigmatic. With each passing year, the accelerating development of science and technology not only simplifies the process of understanding the earthly world for modern researchers but also raises many complex questions that require new knowledge and new methods of investigation. How do continents move? Is the strange theory of a hollow Earth true? What is the nature of our planet's magnetic field? What is the origin of oil in the Earth's depths? How do ocean currents form? What causes fluctuations in the level of the World Ocean? Is it possible to predict catastrophic volcanic eruptions with high probability in the future? This book from the series covers these and many other topics.