When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. The reason for this is
A) iron gets hotter before copper.
B) copper gets hotter before iron.
C) copper expands more than iron.
D) iron expands more than copper.
E) none of the above
C
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Best practical technology (BPT) is legally required for all
A. Priority toxic pollutants B. Point source polluters C. Common toxic pollutants D. Municipal planning officers to control urban runoff E. Pollution and polluters
The physical laws that control atmospheric behavior can be represented in software packages known as ____________________
Fill in the blank with correct word.
Which of the following is INCORRECT relative to the Pleistocene Epoch?
A) It represents a single, continuous cold spell. B) The ice sheets disappeared approximately 7,000 years ago. C) In some areas the ice sheets were more than 2 km (1.2 mi) thick. D) It began 1.65 million years ago.
Pressure increases by about 1 atm for every 10 m of depth in the ocean.
Answer the following statement true (T) or false (F)