I would say Carbon, Hydrogen and Oxygen.
South Africa's location makes it a key spot for renewable energy in the forms of wind, hydroelectric and solar, as it is on the peninsula of the continent it has access to many of these rich resources. There is also a great deal of industry in South Africa, particularly in the mining of metals, as one of the country's largest exports. This extraction uses huge amounts of energy in the process and most of this equipment used in the extraction pumps toxic gases and chemicals into the atmosphere, if SA uses more renewable energy sources, the levels of pollution will decrease.
Answer:
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Answer:
Chemical weathering is different from mechanical weathering because the rock changes, not just in size of pieces, but in composition. ... Chemical weathering works through chemical reactions that cause changes in the minerals.
