Which of the following is true of most fatty acids found in triglycerides?
A) They are unbranched.
B) They contain more than 20 carbon atoms.
C) They contain an odd number of carbon atoms.
D) none of the above
A
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Thermal belts are ____
A) pockets of warm air resting in a valley during the afternoon B) pockets of cold air resting on a valley floor at night C) warmer hillsides that are less likely to experience freezing temperatures D) cold, below-freezing air found at the top of a mountain
The United Nations currently predicts that Earth will be home to almost ________ billion people by the year 2050
A) 11 B) 10 C) 9 D) 7 E) 5
Passive solar technology features are usually more economical to design and build initially into new structures than incorporating them into homes that already exist.
Answer the following statement true (T) or false (F)
Which of the following accurately compares the temperatures of cities and rural areas on clear, cold, winter nights?
A. Cities tend to cool more slowly than rural areas and have higher temperatures. B. Cities tend to cool more quickly than rural areas and have lower temperatures. C. Cities tend to cool more slowly than rural areas and have lower temperatures. D. Cities tend to cool more quickly than rural areas and have higher temperatures.