The fastest growing category of pets today in the United States is:
A. Reptiles
B. Fish
C. Birds
D. Rodents
Answer: A
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PROBLEM 2.40 Three steel rods (E = 200 GPa) support a 36-kN load P. Each of the rods AB and CD has a 200-mm2 cross-sectional area and rod EF has a 625-mm2 cross-sectional area. Neglecting the deformation of bar BED, determine (a) the change in length of rod EF, (b) the stress in each rod.
Iron is an exhaustible resource. Does that mean we will run out of iron soon?
What will be an ideal response?
Irradiation does NOT:
a. raise the temperature of food c. result in the food becoming radioactive b. result in energy waves being retained by the food d. all answers
Shortages of qualified technicians have been reported in the United States and _______
A) China B) Canada C) Europe D) All of the above E) None of the above