A map serves two purposes: It is a tool for storing reference material and a tool for communicat- ing geographic information. route between two places and to avoid getting lost along the way.
The levels of greenhouse gases in the atmosphere have been increasing due to the widespread burning of fossil fuels by the growing human populations.
Answer:
<em>d. Tundra</em>
Explanation:
Tundra <em>is a sort of biome in physical geography, where cold temperatures and short growing seasons hinder the growth of the plant.</em>
This consists of dwarf shrubs, sedges and grasses, mosses and lichens. In some tundra areas, scattered trees are growing.
The tundra-forest ecotone (or ecological boundary region) is called the tree line or timberline.
