major ecological community with distinct climate and flora
The mountain biome is not usually described in other references because a variety of other biomes exist within it (such as grasslands at the base of a mountain, coniferous forest at the center of the mountain, and the tundra found at the top of the mountain).
a vast treeless plain where subsoil is permanently frozen
The mountain biome is not usually described in other references because a variety of other biomes exist within it (such as grasslands at the base of a mountain, coniferous forest at the center of the mountain, and the tundra found at the top of the mountain).
relating to eruptions of gas and lava from the earth's crust
The movement of the earth's crust by folding, breaking into large blocks, lifting upwards to form a dome, or cracking due to volcanic activity forms mountain ranges.
the degree of hotness or coldness of a body or environment
For example the temperature could drop within about 10 minutes, a thunderstorm may come over a hill without warning, or a forest might open into a large meadow.