1) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.

2) The Black Lives Matter movement, which gained prominence in 2013, advocates for racial justice and equality, addressing systemic racism and police violence against Black individuals.

3) The Rocky Mountains, also known as the Rockies, extend from Canada through the United States, offering stunning landscapes and outdoor recreational opportunities.

4) The avocado, native to Central and South America, is a versatile fruit known for its creamy texture and nutritional benefits. Avocados are rich in healthy fats, fiber, and vitamins, making them a popular ingredient in salads, sandwiches, guacamole, and smoothies. They have gained significant popularity in recent years, becoming a staple in healthy eating and plant-based diets.