Answer:
in order to restore a damage ecosystem, to sow native seeds or transplanting individual plants is a first step towards the solution.
2. Because it is difficult to study biogeochemical cycles globally, it is important to research in a smaller scale in order to measure the ecosystem processes.
Explanation:
A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
Answer:
I think its A sorry of I'm wrong
