Ocean acidification

How much of the CO2 in the atmosphere will be absorbed by the oceans?

• all of it

• more than 50%

• 1/4 of it

• none of it

Ocean acidification begins with 

• pollution from ships
• carbon dioxide released from combustion
• dumping of waste from cities into the ocean

Tags

NGSS.HS-ESS2-6

Carbon dioxide and seawater combine to form

• calcium carbonate
• carbon monoxide
• carbonic acid 

Tags

NGSS.HS-ESS2-6

NGSS.HS-PS1-2

Marine organisms make their shells from calcium and

• chloride
• carbonate
• seawater

Tags

NGSS.MS-PS1-1

What is the typical pH of a base?

• higher pH, >7

• 25 km

• lower pH, < 7

• 110 ppm

Burning carbon-based fossil fuels releases what gas into the atmosphere?

• acid gas

• chlorine gas

• oxygenated hydrogen

• carbon dioxide

Tags

NGSS.HS-ESS2-6

All carbon dioxide gas found in the ocean is there because humans are causing pollution from burning fossil fuels.

• True

• False

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-1

An example of a marine organism that needs calcium carbonate 

• a crab
• a shark
• an octopus

Tags

NGSS.MS-LS2-1

resulting from the influence of human beings

• anthropogenic

• archipelago

• archimedes

• arithmetic

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-4

NGSS.HS-ESS3-5

NGSS.HS-ESS3-6

NGSS.HS-LS2-7

CO2 + H20 -->

• H2CO3

• CO3

• CO2

• H3O+

Tags

NGSS.HS-PS1-2