1) The Earth's core is primarily composed of iron and nickel and is as hot as the surface of the sun.

2) The Civil Rights Act of 1964 in the United States outlawed discrimination based on race, color, religion, sex, or national origin.

3) Banks provide various financial products, including savings accounts, checking accounts, credit cards, mortgages, and investment services.

4) Aztec mythology, originating from ancient Mesoamerica, includes deities like Quetzalcoatl, Huitzilopochtli, and Tlaloc. It explores concepts of creation, sacrifice, and the cyclical nature of time, with intricate cosmology and rituals forming a significant part of Aztec religious beliefs and practices.