The Pacific Rim can be characterized as __________.
(a) a place of embayments.
(b) being dominated by estuaries.
(c) being dominated by barrier islands.
(d) tectonically active and emerging.
Answer: (d) tectonically active and emerging.
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Uplift and rejuvenation are indicated by the presence of landforms known as _______.
a - meanders b - peneplains c - V-shaped valleys d - floodplains e - stream terraces
An erosional surface that separates inclined strata below from flat lying strata above is called a/an ____
a. angular unconformity
b. disconformity c. nonconformity d. hiatus e. bedding plane
Neritic sediments are mainly comprised of biogenous sediments due to the proximity to the continental
shelf. Indicate whether the statement is true or false.
The structure of tumor necrosis factor includes which of the following?
A) four helical segments B) only b-pleated sheet C) both a-helix and b-pleated sheet D) four cysteine residues which form two disulfide bridges