Define shale?

448

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

402

---

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

425

---

Explain the earth made of?

409

---

Define ablation?

459

---

Explain which kind of volcano is the most destructive?

426

---

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

401

---

Define happening when a metamorphic rock is forming?

433

---

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

425

---

What are the examples of techno fossils?

400

---

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

415

---

Explain what time period can carbon-14 dates have?

428

---

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

438

---

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

419

---

Explain what ways can igneous rock form two ways?

461

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