Science, Maths & Technology
An introduction to geology
...c. igneous rock The correct answer is a. Discussion Some concrete really can look like a rock, so be careful when you go out and find your own rocks to identify later in the course...Week 1: Building stone: 1.3 Rock textures - Due to how the three sorts of rock are formed, they appear quite different when you look at them closely. All rocks are formed of smaller parts,...