What expedition confirmed Antarctica as a continent?
a. Challenger expedition
b. United States Exploring Expedition
c. Endeavour expedition
d. Resolution expedition
e. Discovery expedition
b
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The social changes in the United States in the 20th century gave rise to environmental laws concerned primarily with ________
A) reducing pollution caused by industry B) preserving endangered species C) management of private land D) mining and homesteading E) the settlement of the West
Ecosystem-based timber harvesting uses methods that ________
A) are the most cost efficient in the short term B) have the greatest impacts on forest ecosystems C) leave seed-producing or mature trees uncut to provide for future forests D) are very popular with timber companies E) are ecologically harmless
The Bowman's capsule is part of which of the following?
A) a nephron B) the urethra C) the ureter D) the vena cava
When LDCs lose talented people to the developed world this is called ________ ________
Fill in the blank(s) with correct word