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The Answer Is Gravel, a size of rock, is a common resource used to
build roads. It is made of small pieces of rocks and
sand. Many roads are made of just gravel. Other
roads are gravel covered with asphalt or concrete.
Concrete is a mixture of gravel, sand,
water, and cement.

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What is mixed with ashphalt to make roads?

Gravel.


What is gravel for?

The main industrial use for gravel is to pave roads and paths. Gravel is also used to help make concrete.


What happened to cars and roads in the 1920s?

Cars were improved tremendously and roads were converted from gravel and dirt to paved roads.


Why are country roads gravel?

Country roads are often made of gravel because it is a cost-effective and low-maintenance option for rural areas with lower traffic volumes. Gravel roads can handle heavy loads and weather fluctuations better than paved roads, making them a practical choice for many rural communities.


What substance obtained from petroleum is used for covering on roads?

Tar is obtained from liquid petroleum. Tar is used as a hot liquid covering under gravel to build roads. Note: Asphalt is made from bituminous coal pitch, mixed with sand or gravel. The black color comes from coal pitch, not from petroleum, as does tar.


What uses for gravel?

The main industrial use for gravel is to pave roads and paths. Gravel is also used to help make concrete.


Which mineral resource is obtained from the coastal plain of virgina?

Sand and gravel are mineral resources obtained from the coastal plain of Virginia. These resources are used for construction purposes such as building roads, bridges, and buildings.


What are most roads made out of?

asphalt and gravel mixtureconcreteother surfaces


Why is gravel used on non paved roads?

Seth Blackwood


Can you build roads on sims?

no u cant build roads on sims :) :) ;) ;)


How can I get started with gravel biking?

To get started with gravel biking, you can follow these steps: Get a gravel bike or modify your current bike for gravel riding. Find gravel roads or trails in your area to ride on. Start with shorter rides to build up your endurance and skills. Invest in proper gear such as a helmet, gloves, and water bottle. Join a gravel biking group or community for support and tips. Have fun exploring new routes and challenging yourself on different terrains.


Which rocks did the Romans use to build roads?

The Roman engineers created roads that went through natural obstacles rather than around them wherever possible. A Roman road consisted of two parallel trenches and a well drained core. Packed small stones were the foundation and the drainage system was the best the ancient world had ever seen. Layers of concrete and cement and concrete gravel made the roads durable. The top layer was made of gravel, packed stones and paving stones.