Fix errors in this text: In conclusion, coal and oil are no longer sources of energy that we should rely on because of their rising costs and environmental impacts.
The above is a summary of the article, but the full text is available here.
The above is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.
The article is a summary of the article.