The Earth's climate changes. It is vastly different now from what it was 100 million years ago when dinosaurs dominated the planet and tropical plants thrived in high latitudes. It is different from what it was even 18,000 years ago, when ice-sheets covered much more of the northern hemisphere. In the future it will surely continue to evolve. In part the evolution will be driven by natural causes, such as slow changes in the Earth's orbit over many thousands of years. But further climatic change, unlike that of the past, will probably have another important source as well: human activities.
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Sentence correction in English grammar refers to the process of identifying and rectifying errors or mistakes in sentences to ensure they are grammatically accurate, clear, and effectively convey the intended meaning. Sentence correction often involves fixing errors related to grammar, punctuation, spelling, word choice, and sentence structure.
Here are some common types of errors in sentences and examples of sentence correction:
Grammar Errors:
Subject-Verb Agreement Errors:
Pronoun Agreement Errors:
Tense Errors:
Word Choice Errors:
Punctuation Errors:
Run-On Sentences:
Sentence Fragment Errors:
Sentence correction aims to enhance clarity, coherence, and readability. It involves attention to the nuances of grammar and usage to ensure that sentences convey the intended meaning effectively. It is a fundamental skill for writing and communication in English.