Anemia results from a deficiency in ____.
A. cobalt
B. iodine
C. iron
D. calcium
E. phosphorus
Answer: C
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Based on climate models, the southwestern United States and northern Mexico will likely have extended periods of extreme drought throughout the rest of this century.
Answer the following statement true (T) or false (F)
Over the past 50 years, the total amount of waste generated by each person in the United States has nearly doubled, primarily because of increased affluence
Discuss three specific actions that an American citizen could take in order to promote a more environmentally sound waste management lifestyle.
Which Venezuelan leader exerted strict control over the country by rewriting the constitution, imprisoning political enemies, and cracking down on media?
a. Nicolas Maduro b. Hugo Chavez c. Cesar Chavez d. Simon Bolivar e. Evo Morales
Which of these climate classes is an example of an arid climate in the Köppen classification?
a. tropical rainforest b. marine west coast c. low-latitude steppe d. tundra e. humid continental, hot-summer