Some are. Some aren't. No human is very good at detecting deception.
Air is a homogeneous mixture.
Heterogeneous mixture means that the components are not evenly distributed, just like a mixture of sand and water where we can identify the individual components visually.
Answer:
In expository writing, a topic sentence is a sentence that summarizes the main idea of a paragraph. It is usually the first sentence in a paragraph. Also known as a focus sentence, it encapsulates or organizes an entire paragraph.
Explanation:
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