- ПоискCtrl+k
- Войти
Сезон 2018, Серия 14
Why Earth Has Two Levels
Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface.
Earth’s outer shell is made of two materials whose different densities and thicknesses give rise to two distinct “levels” on the planet’s surface.
Комментарии