Q: Is gravel an important commercial product? ¶
A: Yes, and with a number of applications.
Q: Is gravel often produced by quarrying and crushing hard-wearing rocks? ¶
A: Yes, such as sandstone, limestone, or basalt.
Q: Is gravel extracted are known as gravel pits? ¶
A: Yes.
Q: Is gravel also important for the manufacture of concrete? ¶
A: Yes.
Q: Is gravel usually found? ¶
A: Yes.