Rocks in example sentence
It takes a long time to learn how to do that, and they excavated the area and they found that this material culture, this way of doing it, these rocks, had passed down for at least 4,300 years through 225 chimpanzee generations.
More example sentences with word rocks
And what starts happening is that, around young suns, young stars, all these elements combine, they swirl around, the energy of the star stirs them around, they form particles, they form snowflakes, they form little dust motes, they form rocks, they form asteroids, and eventually, they form planets and moons. 
