Which ingredients are mixed to create concrete?

The ingredients mixed to create concrete include cement, water, sand, and gravel. This combination forms the fundamental components of concrete, with cement serving as the binding agent. When water is added to the mix, it activates the cement, allowing it to harden and bind the sand and gravel together, creating a strong and durable material.

Sand fills the voids between the gravel, while gravel adds bulk and strength to the final concrete product. This combination is widely used in construction due to its availability, versatility, and strength when cured properly.

While other options may include some materials related to construction or strengthen mixtures, they do not accurately represent the traditional concrete formula. Understanding this specific recipe is crucial for various applications in civil engineering and building construction.