Huge circular depressions from which volcanoes erupt are called
A) calderas.
B) fissures.
C) cones.
A) calderas.
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Which nation in Latin America remains the top producer of cocaine?
A) Peru B) Argentina C) Chile D) Colombia E) Brazil
The___ of the Earth has the smallest volume.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not an example of an age-relationship based on absolute dating?
A) The oldest known rocks on Earth are 3.96 billion years old. B) The Vishnu schist at the bottom of the Grand Canyon is 2 billion years old. C) The dinosaurs became extinct 65 million years ago. D) The Coconino formation in the Grand Canyon is older than the Kaibab formation.
The various processes by which rocks at or near Earth's surface are disintegrated or decomposed are collectively known as _______________
Fill in the blank(s) with correct word