Fears of which of these countries developing atomic weapons led to the establishment of the Manhattan Project in 1942?
a. Japan
b. Nazi Germany
c. the Soviet Union
d. China
b. Nazi Germany
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____________________ is a fire burning combustible metals
Fill in the blank(s) with the appropriate word(s).
All of the following describe wetlands EXCEPT that ____
a. there are federal and state programs to protect them b. they are self-contained and have no effect on groundwater c. estimated current average loss is almost 33,000 thousand acres annually d. they are areas flooded or saturated by surface or groundwater often enough and long enough during growing season as to support vegetation adapted for life in saturated soils
How is the optimal configuration for an air-source unit determined?
A) by selecting a heat pump that meets the building's heat loss B) by considering the method of discharge C) by installing a unit that has the lowest installed cost D) by matching the type of unit with the type of building construction
pH measurements are based on __________ in a solution.
A. all ions B. hydrogen C. hydroxyl