Quiz about Apes Ocean Acidification

Question 1

Ocean acidification begins with

Accepted Answer

carbon dioxide released from combustion

Answer

pollution from ships

Answer

dumping of waste from cities into the ocean

Question 2

Carbon dioxide and seawater combine to form

Accepted Answer

carbonic acid

Answer

calcium carbonate

Answer

carbon monoxide

Question 3

Marine organisms make their shells from calcium and

Accepted Answer

carbonate

Answer

chloride

Answer

seawater

Question 4

An example of a marine organism that needs calcium carbonate

Accepted Answer

a crab

Answer

a shark

Answer

an octopus

Question 5

Very slight increases in the acidity of seawater __________  marine organisms that make shells.

Accepted Answer

is unhealthy and stresses

Answer

doesn't bother

Answer

has no effect on

Question 6

Carbon dioxide levels in the air have changed throughout earth's history.  The difference today is how ______ the change is happening.

Accepted Answer

rapidly

Answer

slowly

Answer

wide spread

Question 7

Which molecule makes water acidic?

Accepted Answer

Carbon Dioxide

Answer

Carbonate Ions

Question 8

What happens to 1/4 of the greenhouse gases in the atmosphere?

Accepted Answer

It gets absorbed by the ocean.

Answer

It is released into space.

Question 9

When carbon dioxide ions react with water, what molecules do they release?

Accepted Answer

Hydrogen Ions

Answer

Carbonate Ions

Question 10

According to this slide

Accepted Answer

CO₂ is destroying sea shells

Answer

CO₂ is causing marine life to die by "poisoning' the water

Answer

CO₂ is formed from the combustion of Octane

Question 11

This image demonstrates that

Accepted Answer

There is a direct correlation with the atmospheric CO₂ and the CO₂ in seawater

Answer

That pH of the ocean increases as the atmospheric CO₂ increases

Answer

That there is no correlation between pH of the ocean and atmospheric CO₂

Question 12

As the ocean becomes more acidic, the pH of the water

Accepted Answer

decreases

Answer

increases

Question 13

What do some marine creatures do with the carbonate ion?

Accepted Answer

use it to build shells and exoskeletons

Answer

use it as a food source

Answer

use it as a defense mechanism

Answer

use it to cool body temperatures

Question 14

Ocean acidification makes it more difficult for marine organisms to hear each other, and predators.

Accepted Answer

True

Answer

False

Question 15

In a more acidic ocean, the shells of organisms do not grow as easily.

Accepted Answer

True

Answer

False

Question 16

Ocean acidification raises the pH of the ocean .

Accepted Answer

False

Answer

True

Question 17

Which is carbonate?

Accepted Answer

CO3-

Answer

HCO-

Answer

H2CO3

Answer

CO2

Question 18

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

Accepted Answer

False

Answer

True

Question 19

CO2 + H20 -->

Accepted Answer

H2CO3

Answer

CO3

Answer

CO2

Answer

H3O+

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