Bone in the upper arm. called humerus
Mostly because they are made up of living cells, but in the bigger picture they are not alive.
The answer that would best complete the given statement above would be this: Cropland and rangeland. <span>The vast grasslands that once covered the middle of North America have mainly been replaced by cropland and rangeland. Hope this answers your question. Have a great day ahead!</span>
Nitrogen is the only one there that is not a greenhouse gas