The failure of overconsolidated materials is controlled by the:
a. shear strength
b. peak strength
c. residual strength
d. unconfined compressive strength
c
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While scientists sometimes make mistakes, these mistakes are usually identified by
a. their supervisors when they conduct annual evaluations. b. journal editors before an article is published. c. colleagues when they replicate a research study. d. government organized institutional review boards.
Two cities are located at the same latitude (40). City A is in the Southern Hemisphere and City B is in the Northern Hemisphere. Assume the two cities reflect the general characteristics of the hemispheres where they are located. Which city should have the warmest winter temperatures?
a. City A b. City B c. Both cities should have nearly identical winter temperatures d. More information is required to answer the question.
What are the relative compositions of the materials from which stars form?
A) about 74% hydrogen, about 24% helium, no more than 2% other materials B) about 24% hydrogen, about 74% helium, no more than 2% other materials C) about 2% hydrogen, about 74% helium, no more than 24% other materials D) Stars have vastly differing combinations of materials.
What does the term amorphous mean?
A. Non-crystalline B. Inorganic C. Opaque appearance D. Not composed of elements