Is there any historic data that can tell us if the oceans have been this acidic before as they are now, even if it was millions of years ago?

According to this website (https://ocean.si.edu/ocean-life/invertebrates/ocean-acidification), the rate of ocean acidification over the last 200 years is faster than any other time in the last 50 million years...

Is the BTB Solution in the video in some ways, like litmus paper?

It is like litmus paper, as the reactions change the color of the liquid.

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Course: Exploratorium > Unit 3

Lesson 3: Ocean Acidification in a Cup

What’s going on: Creating carbon dioxide gas that diffuses into liquid

Name: What’s going on: Creating carbon dioxide gas that diffuses into liquid
Uploaded: 2015-07-13T18:22:50Z
Description: Learn about passive diffusion and discover how this chemical process relates to big changes in our oceans.

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Learn about passive diffusion and discover how this chemical process relates to big changes in our oceans.

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Sojourn Soulman
Posted 9 years ago. Direct link to Sojourn Soulman's post “Is there any historic dat...”
Is there any historic data that can tell us if the oceans have been this acidic before as they are now, even if it was millions of years ago?
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(8 votes)
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- Dayvyd
  Posted 5 years ago. Direct link to Dayvyd's post “According to this website...”
  According to this website (https://ocean.si.edu/ocean-life/invertebrates/ocean-acidification), the rate of ocean acidification over the last 200 years is faster than any other time in the last 50 million years...
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  (3 votes)
Click here
Posted 9 years ago. Direct link to Click here's post “Is the BTB Solution in th...”
Is the BTB Solution in the video in some ways, like litmus paper?
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(3 votes)
Answer
- Υατrіκ Ρατεl
  Posted 9 years ago. Direct link to Υατrіκ Ρατεl's post “It is like litmus paper, ...”
  It is like litmus paper, as the reactions change the color of the liquid.
  Comment on Υατrіκ Ρατεl's post “It is like litmus paper, ...”
  (4 votes)
vchavan123.2012
Posted 6 years ago. Direct link to vchavan123.2012's post “What else can I use inste...”
What else can I use instead of Bromothymol Blue?
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(1 vote)
Answer

Exploratorium

Course: Exploratorium > Unit 3

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