It is true, at least from what I've learned.
Answer:
These processes are associated with large-scale movements of the Earth's crust (tectonic plates). Folding, faulting, volcanic activity, igneous intrusion and metamorphism can all be parts of the orogenic process of mountain building.
Answer:
A.He is not concerned about it.
Explanation:
As he didn´t went out to the porch running, but barely steps closer to take a glance at what was happening, he seems relaxed and not concerned at all with what just happened, this means that he does not care, nor is interested in learning more about it, he isn´t also disappointed that it wasn´t more excited, he just doesn´t care.
Answer:
to constantly improve our productivity, durability of structures and items, quality of products, ease, ect ect