Zircons found in continental rocks give evidence that continental crust was forming as long ago as ________
A) 564 million years ago
B) 70 million years ago
C) 1.9 billion years ago
D) 10,000 years ago
E) 4.4 billion years ago
E
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A deposition of till that forms behind a terminal moraine as the glacier retreats and is generally spread widely across the ground surface is called a(n)
A) outwash plain. B) till plain. C) drumlin swarm. D) lateral moraine.
The greatest loss of biodiversity in the last two centuries has resulted from
A) the introduction of alien species to new ecosystems. B) the use of fossil fuels to power transportation and electrical production. C) the physical alteration of habitats. D) the use of rivers, lakes, and oceans for transportation.
This island's capital is the only capital city in the world divided by an international ethnic boundary
A) Crete B) Sardinia C) Sicily D) Cyprus E) Ireland
Prediction of swelling behavior is possible using:
a. grain size b. depth of water table c. Atterberg limits d. organic content of the soil