Answer:
D
Explanation:
The reason that Antarctica is unclaimed is due to the Antarctic treaty signed by 12 developed nation in 1956 (and since then 38 nations) which states that no nation can claim the region. This treaty was aimed at protecting the continent’s ecozone (from military operations and mineral exploitation, etc) that is essential or the planet. Due to the harsh environment on the continent, it is also inhabitable and is more or less unoccupied.
A. Is the answer to this question
Answer:
The correct answer in order is:
- hydrosphere
- atmosphere.
- cryosphere.
- geosphere.
- biosphere
Explanation:
Earth has different components and layers of the complex system; air, water, ice, rocks, and forms of life. The system of the water system is known as the hydrosphere such as rivers, lakes, and oceans.
The complex system that deals with the air or gases known as atmosphere such as nitrogen gas, oxygen gas, water vapor.
Similarly, ice-related such as glaciers and icebergs, system, or layers called cryosphere.
Living organisms are included in the sphere known as the biosphere like plants animals and many more.
Rock or mineral-related system of earth called geosphere which includes rocks, moutains plateu and other surfaces or minerals.
Answer:
Trade Agreements
Explanation:
The Columbian Exchange Essay example 1077 Words | 5 Pages The Columbian Exchange is the exchange of plants, animals, food, and diseases between Europe and the Americas. In 1492, when Christopher Columbus came to America, he saw plants and animals he had never seen before so he took them back with him to Europe.
Explanation:
At the center its weight is zero. Or you can argue by symmetry: if the weight is not zero, in what direction would it act?