No, because their job is to teach, and by giving you work and homework, they are making you review what you learn.
Also, they don't get payed enough- (sadly)
Earthquakes produce three types of seismic waves: primary waves, secondary waves, and surface waves. Each type moves through materials differently. In addition, the waves can reflect, or bounce, off boundaries between different layers.
The Coriolis effect describes how Earth's rotation steers winds
The answer is convergent continental-continental
Obsidian is volcanic glass compared to other igneous rocks , there’s also no proper crystallization compared to the other igneous rocks
