[DOC] [TLE] Free Flashcards about GEOLOGY/EARTH SCI. - StudyStack [PAR] CALCIUM BICARBONATE FROM THIS, THE MOST ABUNDANT SOLUBLE 
ROCK, IS USED BY SEA CREATURES IN FORMING SHELLS, LIMESTONE. [DOC] [TLE] Ocean Acidification | Smithsonian Ocean Portal [PAR] In fact, the shells of some animals are already dissolving in the more acidic 
seawater, ... H+ ions; and pH is the scale used to measure the concentration of 
H+ ions. .... Some types of coral can use bicarbonate instead of carbonate ions to 
build their .... form of calcium carbonate that is 50 percent more soluble in 
seawater. [DOC] [TLE] Oceanic carbon cycle - Wikipedia [PAR] The oceans contain around 36,000 gigatons of carbon, mostly in the form of 
bicarbonate ion At the surface of the oceans towards the poles, seawater 
becomes cooler and more carbonic acid is formed as CO2 becomes more 
soluble. This is coupled to the ocean's thermohaline circulation which transports 
... Shells out of calcium carbonate are also deposited on the ocean floor as... [DOC] [TLE] The Carbon Cycle : Feature Articles - NASA Earth Observatory [PAR] The movement of carbon from the atmosphere to the lithosphere (rocks) begins ... 
In the ocean, the calcium ions combine with bicarbonate ions to form calcium ... In 
the modern ocean, most of the calcium carbonate is made by shell-building ... 
These rock types are often formed from the bodies of marine plants and animals,
... [DOC] [TLE] Limestone: The Calcium Carbonate Chemical Sedimentary Rock [PAR] Limestone, as used by the minerals industry, is any rock composed mostly of 
calcium ... "Limestone" means any rock formed mostly of calcium carbonate (
CaCO3), but to ... of most oceans, corals, clams, and other sea-dwelling creatures 
use these two ... Despite our Nation's abundance of limestone, there have been 
cement... [DOC] [TLE] Ocean Acidification: A Risky Shell Game : Oceanus Magazine [PAR] Dec 4, 2009 ... How will climate change affect the shells and skeletons of sea life? ... of marine 
organisms that build calcium carbonate shells or skeletons. .... Those additional 
H+ ions react with (consume) carbonate ions to form bicarbonate ions. ... 
Aragonite is more soluble in colder waters, and cold water takes up more... [DOC] [TLE] Ocean dissolved gases | Sciencelearn Hub [PAR] Jun 22, 2010 ... The uptake of carbon dioxide by the ocean regulates the gas in the atmosphere. 
... Select a Context, A Fizzy Rock  Ceramics  Dating the Past  Digestion ... 
Seawater with low salinity holds more gas than high salinity water. ... Many plants 
and animals use the bicarbonate to form calcium carbonate shells. [DOC] [TLE] Carbon and Carbonate | Watts Up With That? [PAR] Jan 30, 2016 ... We used random forest models to examine more than 20 possible environmental 
..... in the ocean increases the solubility of Ca by forming Ca-bicarbonate thus 
increasing the .... calcium + carbon dioxide + oxygen yields shell (limestone). ..... 
Over time, CO2 is ~permanently sequestered in carbonate rocks,... [DOC] [TLE] Chemical Reactions | Ocean Acidification [PAR] Carbonic acid dissolves rapidly to form H+ ions (an acid) and bicarbonate, ... the 
cold and dense waters most readily absorb atmospheric carbon dioxide. ... in the 
ocean is replenished through the chemical weathering of limestone rock and 
dead animals, such as pteropods, that use calcium carbonate to build their shells. [DOC] [TLE] Chapter 13: Water and the Lithosphere Preview [PAR] abundant in the earth's crust, and carbonate is a basic anion [see p?]. .... The 
chemistry of the inorganic carbon cycle is determined by the solubility of calcium 
... rocks, calcium carbonate precipitates [mostly as shells of sea creatures]. As a 
result more carbonate is formed via the disproportionation of bicarbonate ion: 
Ca2+ +... [DOC] [TLE] Why is the Ocean Salty? [PAR] The saltiness of the ocean is more understandable when compared with the salt 
... In popular language, "ocean" and "sea" are used interchangeably. ... gases 
from the molten igneous rocks of the Earth to the clouds surrounding the cooling 
Earth. .... (4) Calcium and bicarbonate account for nearly 50 percent of

Question: Calcium bicarbonate from this, the most abundant soluble rock, is used by sea creatures in forming shells
Answer: limestone