Mining rare earth elements, 90% of which are extracted and processed in China,
A) results in the release of sediment and sand into streams, compromising aquatic habitats.
B) produces acidity, radioactive elements and other hazardous wastes stored in holding ponds.
C) has a relatively low impact on the environment and human health.
D) is now regulated by international treaties that prevent toxic materials from entering water and air.
B
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Maoist rebels disrupted the political stability of _____ for several decades, until a ceasefire agreement was concluded in 2006.
A. Bangladesh B. Nepal C. Sri Lanka D. Pakistan
____________________ are deposits that geologists use to indicate glaciation has occurred, but these conglomerates
resemble other conglomerates that could have originated from other processes. Fill in the blank(s) with the appropriate word(s).
The Koeppen classification system
A) was developed in the latter part of the twentieth century. B) was revised substantially by Koeppen over a period of nearly 20 years. C) has two broad categories of climates. D) is not the most widely used such system.
The digital revolution affected financial markets all over the world by eliminating the costs of financial transactions and transmissions
Indicate whether the statement is true or false