The correct answer is (c.) troposphere
The troposphere is the lowest portion of the atmosphere but also it is where most gas particles are located. It holds 75 percent of the atmosphere's mass. It is typically a hundred meters deep to 2 km. Above the troposphere is the tropopause, bordering between troposphere and the stratosphere.
I don't know what blue line you are referring to but I do know that there are about 51 rivers in Georgia.
Tibet is the world's highest plateau.
The reason is that current methods used to “calibrate” models often render them inaccurate. That's what Jonathan Carter stumbled on in his study of geophysical models.
If you want a more detailed explanation here’s a explanation from quizlet.
Answer:
1. A state is a politically organized territory that is administered by sovereign government and is recognized by a significant portion of the international community. A state has a defined territory, a permanent population, a government, and is recognized by other states.
i don't have an answer for the second but if you got it you should let me know because i'm looking for the answer also.
