Define shale?

457

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Explain what separates the outer core from the mantle above it?

410

---

Explain how do we know magma does not originate in the liquid outer core?

433

---

Explain the earth made of?

417

---

Define ablation?

467

---

Explain which kind of volcano is the most destructive?

434

---

Explain how can we calculate or estimate the evaporation from lakes?

411

---

Define happening when a metamorphic rock is forming?

443

---

How did great britain try to end troubles with the native american in 1763?

439

---

What are the examples of techno fossils?

408

---

Explain the difference between the geoid and the surface of the earth?

423

---

Explain what time period can carbon-14 dates have?

436

---

Explain what did radon detection in arid areas can help to explore?

445

---

Explain the minimum depth needed for a feature to be considered a canyon?

428

---

Explain what ways can igneous rock form two ways?

471

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