Ocean Acidification Feedback Loops

Which atmospheric gas is responsible for increasing the acidity of the ocean?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Water Vapor

Tags

NGSS.HS-ESS2-6

In a positive feedback loop, each action creates a consequence that _____________________ the other action.

• decreases

• has no effect on

• amplifies

In a negative feedback loop, each action creates a consequence that _____________________ the other action.

• decreases

• has no effect on

• amplifies

Tags

NGSS.HS-LS1-3

Does the graph show positive or negative feedback?

• Positive, because when the red line shifts, the blue one does also

• Negative, because the blue line starts below equilibrium

• Negative, because the two actions are keeping each other near equilibrium

• Both positive and negative because the graph moves up and down

Tags

NGSS.HS-LS1-3

As the ocean heats up, what happens to the amount of dissolved CO₂?

• It increases

• It decreases

• It doesn't change

Tags

NGSS.HS-ESS2-6

Which of the following items produced in the ocean can promote cloud formation? (Choose all that apply)

• Sea Salt

• Organic matter

• DMS

• Silver nitrate

What ocean life is DIRECTLY affected by small changes in acidity? (Choose all that apply)

• Oysters

• Clams

• Sharks

• Whales

Tags

NGSS.HS-LS4-5

Which social groups are the first ones to be affected by the negative effects of climate change?

• Working class / small business owners

• Corporate interest groups

• Politicians

• Environmental activists

Tags

NGSS.HS-ESS3-1

Historically, has the deep ocean been a carbon sink or a carbon source?

• Sink

• Source

Tags

NGSS.HS-ESS2-6

Greetings and _______________________

• Salutations

• Hellos

• Alohas

• Farewells