The answer to your question is conduction.
The correct answers are: Pacific and North American.
The Pacific plate is located between Asia and Australia from one side, and North and South America on the other side, making the plate being artificially split into both the East and the West Hemisphere. The interesting part is the the western part of the plate is in the East Hemisphere, while the eastern part is in the Western Hemisphere.
The North American plate, in general is located in the West Hemisphere, apart from a small fraction of it that comes on the territory of Russia, the far eastern part of Russia to be more specific. So this small portion of the plate comes to be in the territory of the Eastern Hemisphere.
The brain gets used to you taking the drug. Some drugs will affect your neurotransmitters, or messages that get sent to your brain that regulates how we think or feel. You will eventually become dependent on the drug so if you stop you might feel sick or go through "withdrawal". Which people dont want to go through so they will continue to take the drug.
It is the tropesphere. Hope i helped :)
The answer to this is Isometric because these exercises are done in a static position.
