Atmospheric carbon dioxide comes from two primary sources—natural and human activities. Natural sources of carbon dioxide include most animals, which exhale carbon dioxide as a waste product. Human activities that lead to carbon dioxide emissions come primarily from energy production, including burning coal, oil, or natural gas.
nationalism is the place where u are from. sometimes it could be from where youre parents are from. for example my parents are from cuba so that makes my nationalism cuban because of them.
