Which one of the following is true for anticlines but not for synclines?
A) The limbs dip or are inclined towards the fold axis.
B) Some may be asymmetric and some may have plunging axes.
C) The deeper strata are buckled upward along the fold axis.
D) After erosion, the younger strata are exposed along the axial region of the fold.
The deeper strata are buckled upward along the fold axis.
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For a long time, scientists thought that there was a correlation between fault length and earthquake magnitude. Which recent earthquake challenged this assumption, generating a larger than expected fault slip from a shorter than expected fault?
A. The 2004 Sumatra earthquake B. The 2010 Haiti earthquake C. The 2011 Tohoku earthquake D. The 1994 Northridge earthquake
Which of the following is untrue in the lock-and-key model?
A) The drug is tightly bound to the protein. B) More than one drug can interact with same receptor site. C) Drugs can interact differently with different receptors. D) Drugs can interact strongly with more than one receptor site. E) All of the above are true.
Ozone thinning is
A. more pronounced in Antarctica than the Arctic. B. greatest in the Southern Hemisphere in April. C. evenly distributed for most of the year. D. greatest in the Northern Hemisphere in October.
Which of the following is true regarding the development of international environmental agreements?
A. National governments must feel that their concerns and needs are addressed when agreements are negotiated. B. Agreements typically involve a long process of negotiation. C. The scientific community must provide its expert opinion on the causes and effects of environmental concerns. D. All of these statements are true. E. None of these statements is true.