Distinguish between emission and absorption line spectra. : quantum physics

486

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So the essence of quantum physics is that everything has a quanta? : quantum physics

480

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Explain planck’s hypothesis or what the postulates of planck’s quantum theory? (Or) what are the assumptions of quantum theory of black body radiation? : quantum physics

440

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What the postulates of planck’s quantum theory? : quantum physics

495

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Is there a hypothetical situational possibility of an occurance happening in yellowstone which would destroy north america but leave the rest of the world unharmed?

416

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How can sedimentary processes concentrate and form resources? 2. Give an example of a resource formed by a sedimentary process

408

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Explain what does regolith mean?

423

---

Explain the difference between a semi-precious and a precious stone?

420

---

Explain how are fossils formed?

418

---

Explain what minerals attract lightning?

410

---

Explain the three major types of rocks?

421

---

Explain how many seismograph stations are needed to allocate the epicenter of an earthquake?

417

---

Explain how were sedimentary rocks created?

411

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Describe the formation of igneous rocks?

458

---

Explain how can sedimentary processes concentrate and form resources? 2. Give an example of a resource formed by a sedimentary process

439

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