On a particular day, a place accumulates 15 heating degree days. What was the daily mean temperature on that day?
A) 50°F B) 15°F C) 65°F D) 40°F E) 80°F
A
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Compare and contrast the United States Exploring Expedition and the HMS Challenger expedition
How was each of these expeditions pioneering in their own right? What will be an ideal response?
Primary sewage treatment involves
A. Removing solids from water B. Making water usable for agriculture C. Making water transparent again D. Removing all organic matter from water E. Removing all bacteria
Which color portion of the visible spectrum emits the lowest amount of energy?
A) Red B) Yellow C) Green D) Blue
When populations approach their carrying capacity, their resources ________
A) become more scarce and growth rate approaches zero B) increase because populations are decreasing C) increase in supply but are less accessible D) are not a concern as they are usually infinite in supply E) decrease in supply but are more accessible to competitors