Ocean Acidification

What is the pH of a solution with an H⁺ concentration of 0.01 M?

• 2

• 5

• 7

• 11

What is the dominant carbon species in seawater?

• Carbon dioxide

• Carbonate

• Bicarbonate

• Carbonic Acid

Tags

NGSS.HS-ESS2-6

What is the current average pH of seawater?

• 5.9

• 7.4

• 8.1

• 8.9

Tags

NGSS.HS-LS2-5

If ocean pH decreases from its current value, which carbon species will decrease the fastest in concentration?

• Carbon dioxide

• Carbonate

• Bicarbonate

• Carbonic Acid

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Carbonate shell-bearing organisms cannot live ______ the CCD.

• above

• below

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What effect will further ocean acidification have on the CCD?

• it will rise

• it will lower

• it will stay the same

Tags

NGSS.HS-ESS3-5