Metamorphic rocks that show layers of dark minerals alternating with layers of light minerals are classified as foliated.
Yes without the atmosphere life on earth would be impossible
Most of Asia is in the Northern Hemisphere. However there are some small islands that are part of Asia, however lie south of the equator. So they are in the Southern Hemisphere. There are also parts of Asia that lie in the Eastern Hemisphere. However, the majority of the continent lies in the Northern Hemisphere.