Which heavy metal is one of the most dangerous currently being introduced into the ocean?
a. manganese
b. iron
c. molybdenum
d. lead
e. zinc
d
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) Detroit's unique geography is characterized by its
A) low population density. B) large urban footprint. C) great transportation networks and corridors. D) expanses of single plot housing. E) low population density, large urban footprint, great transportation network and corridors, and expanses of single plot housing.
Which plankton group operates at one of the most efficient energy conversion rates known?
a. coccolithophores b. dinoflagellates c. cyanobacteria d. diatoms
e. zooplanktonCohesion is a particularly important component of resisting strength in ________ minerals
A) clay B) iron-rich C) water-bearing D) hard
What is the geologic origin of the Deccan Plateau?
A) immense lava flows B) erosion of mountains C) uplift of marine sediments D) folding and faulting E) none of the above