Coastal landforms are ever-changing because the sand is constantly moved by

Determine the current through R2 using the superposition theorem. Assume VS1= {V1} V , VS2= {V2} V , R1= {R1} kΩ , R2= {R2} kΩ , R3= {R3} kΩ I2 = __________ mA (The unit of the answer is . Do NOT type the unit when you type your answer)

A wye (Y) circuit is converted to a delta (Δ) circuit, as illustrated above. Assume R1 = {R1} kΩ , R2 = {R2} kΩ , R3 = {R3} kΩ. The value of RB is:   RB = __________ kΩ (The unit of the answer is . Do NOT type the unit when you type your answer)

Assume IS= {IS} mA , R1= {R1} kΩ , R2= {R2} kΩ , R3= {R3} kΩ For Thevenin’s equivalent circuit between points A and B (as seen by RL), the value of RTH is RTH = __________ kΩ (The unit of the answer is . Do NOT type the unit when you type your answer)

In which layer of the geosphere is the asthenosphere found?

Assume VS= {VS} V , R1= {R1} kΩ , R2= {R2} kΩ , R3= {R3} kΩ For Norton’s equivalent circuit between points A and B (as seen by RL), the value of RN is RN = __________ kΩ (The unit of the answer is . Do NOT type the unit when you type your answer)

Corundum (Al2O3) is a colorless, nonmetallic mineral with a hardness of 9 and specific gravity near 4.0. Predict what will happen if an impurity such as chromium mixes in with the corundum before it crystallizes.

During an earthquake, the unconsolidated sand layer shown could cause huge damage as a result of

Using complete sentences and proper grammar explain: what the fundamental difference is between an explosive and an effusive eruption? (2 pts) And what variables are important in determining whether a volcano “flows” or “blows”? (2 pts) (Note: consider the point value on this question when writing your answer).

Unlike the lithosphere, the asthenosphere