What is the list of core General-Ed and pre-requisite courses available for the College Starter plan?

Discover what language means and the concept of language. Learn all about language, from grammatical structure to cultural implications.

Learn about invertebrates through the definition of the classification and examples of invertebrates. Discover different types of invertebrates and see pictures of invertebrates.

Read about the rise of sectionalism in the United States. Learn the history and causes of sectionalism in the 1800s. See sectionalism examples.

Read about the QWERTY keyboard layout and its history. See images of QWERTY keyboards and learn why QWERTY is the most popular English keyboard layout.

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Dec 29, 2025 · Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant …

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Learn the similarities and differences between divergent evolution and convergent evolution, and how they created the biodiversity we see in the world around us.

Learn the definition of bedrock, what it looks like, and what it is made of. Discover the different types of bedrock and see where it is located in...