What is the scientific study of an animal's behavior?
A. Ethology
B. Histology
C. Anthropology
Answer: A
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You built a patio alongside an in-ground pool. It is a rectangular patio 10 feet by 14 feet. You used bricks 4 by 8 by 2 inches for the floor. You removed 8 inches of dirt and replaced it with 6 inches of sand.
a. What is the area of the patio in square inches? b. How many bricks were needed? c. How many cubic feet of dirt were removed? d. How many cubic feet of sand were needed?
The condensing unit is used to remove the heat from the refrigeration system that had been absorbed by the evaporator.
Answer the following statement true (T) or false (F)
Fall protection must be used whenever workers are on a walking or work surface that is __________ ft. or higher and has unprotected sides.
a. 4 b. 6 c. 8 d. 10
What is considered Europe’s eastern geographical border?
a. the Danube River b. the Volga River c. the Ural Mountains d. the Himalayas