no gravel can always be broken down and made into new things and it isn't melted easily
it is nonrenewable because it takes millions of years to form
Nonrenewable resources exist in finite quantity and are incapable of being replenished. Iron, as well as salt and gravel, are examples of minerals that are nonrenewable.
It is a nonrenewable resource.
its not a nonrenewable resource because its a renewable resource
yes its a nonrenewable resource.
Natural gas in a nonrenewable resource.
Bismuth is a nonrenewable resource but wastes can by recycled.
Aluminum is a non nonrenewable resource, although it can be recycled.
It's neither a resource, nor is it nonrenewable.
nonrenewable
nonrenewable resource
nonrenewable resource
Gold is a nonrenewable resource.