Answer:
Lithosphere
Explanation:
In abrahamic religions, the prophet Abraham is considered an important ancestor.
http://www.newworldencyclopedia.org/entry/Abrahamic_religions might help you.
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.
depends on how algebraically equations its different types ways how you solve equations