The movement of weathered material such as gravel,soil, and sand is called erosion.
According to Khanna the lines that are important to North America are the ones that are based on connectivity.
<h3>What does Khanna say about continental lines?</h3>
This author referred to this lines as useless lines that divided territories in the world.
According to the author, what the worlds needs are the lines that are able to bring people closer such as technology for better communication and also infrastructure.
Connectivity is said to be the organizing principle of human beings instead of sovereignty.
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The answer is D. When carbon-based fuels are burned, they emit carbon dioxide into the atmosphere. Carbon dioxide is a greenhouse gas that causes a greenhouse effect that increases global temperatures hence global warming. However, it is important to note that carbon dioxide is not the only carbon-based greenhouse gas. Methane too is a greenhouse gas, several times more potent than carbon dioxide. Reducing the emission of these greenhouse gases, therefore, mitigates the risk of global warming.
