This is factually inaccurate old fraud....once again you have strayed into my realm.
LOL...and what "realm" would that be, walleyed? 'Wonderland'? 'Cloud-Cookoo-Land'? 'Oz'? Or just your usual dimwitted delusional fantasyland for science poseurs?
If this is your "realm", then you're in trouble 'cause you're just as full of shit here as you are with everything else scientific. Dolomite, or calcium magnesium carbonate: CaMg(CO3), is not a form of limestone, or calcium carbonate: CaCO3. Dolomite is another sedimentary rock that sometimes replaces limestone and becomes part of limestone formations. Limestone is a sedimentary rock usually composed of grains that are mostly formed from the skeletal fragments of marine organisms such as coral or foraminifera. The oceans don't "process" CO2 directly into limestone magically as you seem to assume. The limestone is formed from the skeletal parts of countless minute marine organisms falling as sediment and collecting on the sea floor for millions of years and getting compressed into stone. That is a form of natural carbon sequestration but it has almost nothing to do with what OldRocks was saying. Nor is it dependent on a really high CO2 level in the atmosphere. You are being totally irrelevant and off the wall, walleyed.
I suggest you look at the formation of sedimentary rocks and how going from the beach out you get first a sandstone then a mudstone and finally in the deeper seas, far enough away from the heavier sediments, you get limestone formation....but only if you have enough CO2 in solution. No CO2 no limestone formation....and there has been no limestone formation (other than some true exotics) in 5 million years. Quit peddling nonsense. Take a geology class so at least you have SOME knowledge of what you are blathering.
You are never more pathetic, walleyed, than when you are pretending to know more than you actually do. Of course in your case, that is pretty much all the time.
OldRocks' points that you imagined you were disputing:
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the carbon sinks, the oceans and forests, are now taking up less CO2, and will be taking up even less in the future." This is true and you didn't even come close to refuting it.
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The oceans are becoming saturated and warmer", also quite true.
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they could become net emitters as the warming continues", warmer water holds less dissolved CO2 so this is also true.
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And we are destroying more and more of our forests worldwide." - Indisputable
So another epic fail for you, walleyed, as you fail to refute anything in that post but only make yourself look like an lying deluded idiot, again.