Acid deposition has been linked to
a. contamination of fish with mercury
b. leaching of calcium and magnesium from soils
c. releasing ions of cadmium and aluminum into the soils
d. weakening trees, so they become more susceptible to other types of damage
e. all of these answers
E
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What is rank-size distribution of settlement and why is that important?
What will be an ideal response?
The height of a tsunami grows as it approaches a coastline primarily because
A) of the Coriolis force. B) its wavelength shortens. C) the height of the surf is added to the height of the tsunami. D) its energy level increases. E) the coastline is typically lower than sea level.
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
Transportation efficiency refers specifically to ________
A) using carbon capture and storage (CCS) technology B) employing more hybrid vehicle technology C) improving fuel efficiency in electric power plants D) employing more renewable fuels E) increasing fuel conservation measures