Why does it take longer to heat a bucket of water than a cup of water?

997

---

Why is there more friction when you push an object than when you pull it?

1000

---

In radio transmission, what does the acronym am stand for?

1127

---

How has the earth changed since it was formed?

809

---

Explain how the asthenosphere works?

801

---

How can sedimentary processes concentrate and form resources?

760

---

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

783

---

Give an example of a resource formed by a sedimentary process.

787

---

Why does marble rarely contain fossils?

820

---

How do minerals become rocks and rocks become soil?

790

---

How are fossils formed?

823

---

How the asthenosphere works?

782

---

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

812

---

How can we calculate or estimate the evaporation from lakes?

792

---

How do geologists find out the age of mountains?

760

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