Water circulating through rifts and ridges gets altered by coming into contact with the fresh crust,
stripping the water of magnesium and other elements. Indicate whether the statement is true or false.
ANS: T
These elements are found in the ocean. It is thought these elements enter into the ocean from two
different processes. The magnesium is likely in the ocean from mineral deposits while the calcium
enters the ocean from hot water dissolving rocks. Information can be found in the section Seawater
Consists of Water and Dissolved Solids.
You might also like to view...
An area with a high nutritional density almost always has a low agricultural density
Indicate whether this statement is true or false.
Continental crust is mainly composed of ________, whereas oceanic crust is mainly composed of ________
A) olivine; basalt B) limestone; gabbro C) granite; basalt D) gabbro; granite
Using the S-P timing method, epicenters can be located using seismograms from a minimum of ________ recording stations.
A. three B. one C. four D. two
The grinding of rock against rock by a glacier produces a very fine sediment called ________.
A. tillite B. till C. rock dust D. rock flour E. glacier mist