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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

The Bowman's capsule is part of which of the following?

A) a nephron B) the urethra C) the ureter D) the vena cava

Environmental & Atmospheric Sciences

When LDCs lose talented people to the developed world this is called ________ ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences