What is the source of most of the dissolved materials found in the ocean?
a. Outgassing
b. Convection currents
c. Dissolving and weathering of crustal rocks
d. Biological activities
ANS: C
Although there are multiple sources of the dissolved materials in the ocean, much of the material
comes from the weathering of surface rocks from rain and waves. The composition of the ocean is
different from rivers because there is the addition of excess volatiles coming from the upper mantle.
Information can be found in the section Seawater Consists of Water and Dissolved Solids.
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Which priest and peasant leader called for Mexican independence?
A) Miguel Hidalgo B) Simon Bolivar C) Fidel Castro D) Salvador Allende E) Jacobo Árbenz Guzmán
A psuedocylindrical projection ________
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Search the Internet to see if you can identify any downsides or disadvantages to becoming a World Heritage Site
What will be an ideal response?