Briefly explain why there is so much oil in the Persian Gulf region. What will be an ideal response?
During the Mesozoic, the Persian Gulf was a broad, stable marine shelf. Countless microorganisms
lived in the surface water and their remains accumulated in the bottom sediments and were buried. The
collision between Arabia and Iran has tilted the Arabian plate and crumpled rocks on the edges of both
plates. The tilting of Arabia allows oil to migrate upslope to accumulate in traps created by folding.
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Which of the following is NOT a current economic challenge facing Russia?
A) widespread government corruption B) crop failures due to climate change which require Russia to import large amounts of food C) economic sanctions placed on Russia by the United States due to its belligerence with respect to Ukraine D) the lack of economic diversity in exports outside of energy exports E) capital flight to foreign banks located beyond the Russian Domain
Angiosperms constitute less than 90% of all land plants
Indicate whether the statement is true or false
The following items describe the conditions relating to a slump except item ________. 1. curving, scallop-shaped rupture scarp 2. broken pavement and tilted trees 3. vertical sedimentary rock layers bent downslope 4. occurring in regolith or weak rock
A) 1 B) 2 C) 3 D) 4
Which is not a factor that contributes to the modern increase in catastrophes in urban areas?
A) increased sports and leisure activities on slopes B) increased urbanization in areas prone to slope failure C) changes in local precipitation patterns D) deforestation in urban areas