The correct answer is A. the soil is frozen and devoid of nutrients
Tundra's land is formed from ice and from cold weather, meaning that there's no nutrients since the land is basically frozen wasteland.
That statement is true.
When making the world map for example, many advancement were made after we received the idea that the Earth is Round.
So both geographical movement expression and ideas are not something that could be separated.
Earth's mantle has kept contributing to the Earth's atmosphere through a process called degassing. During this process, gases are emitted from the magma in the mantle and are transferred into the atmosphere through tectonic procedure such as ocean ridge spreading and volcanism.
Hot springs and geysers are heated geothermally using Earth's mantle as it's source.
