Dessert refers to a sweet course typically eaten at the end of a meal, while desert refers to a dry, barren area of land with little vegetation.

Capitalization is important as it indicates the beginning of a sentence and proper nouns, helping to clarify meaning and maintain grammatical correctness.

A complete sentence contains a subject and a predicate and expresses a complete thought.

Adjectives describe or modify nouns, providing more detail about the noun.

The correct spelling is 'unhelpful'.

An observatory is a facility or location used for observing astronomical events, often equipped with telescopes.

Revising a sentence helps to improve clarity, coherence, and correctness by correcting errors and enhancing detail.