The answer to your question is grasslands
The answer to the first question is"lithosphere" - the others are: part of earth that includes all the water (hydrosphere), all the air ( atmosphere) and all the organic matter (biosphere).
Trying to understand a solar eclipse is a kind of a scientific inquiry - it refers to the phenomenon, and the purpose is not to understand the specific instance, but the full phenomenon.
Sustainable use practices are practices that are used in the use of resources for example that seek to maintain the longevity and continuance of the potential use of that resource. In regards to trees and logging the sustainable use of wood or paper would seek to continue the longevity and vitality of the forests by not overusing these products. Sustainable use will use a resource at a rate that will allow for natural replenishment or incremental use of the resource to prevent harm to the environment and allow the resource to be used far into the future.
There are different kind of layers in the earth. Really hot ones and ones that cooled down. Google rock layers in the earth. It’s super cool to see. These layers could never have formed at the same time under the same conditions
It is warmer and milder temperatures today, and back in the Ice Age it was colder and the summer seasons were much shorter.
