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9/15 Step 3 Carbon Cycle CFU AP

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Last updated 10 months ago
18 questions
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Question 1
1.

Match the terms with their definitions

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Watch the video and answer the questions below:

Question 8
8.

What is a green house gas?

Question 9
9.

Carbon dioxide is a green house gas?

Question 10
10.

Greenhouse gases have stayed balanced for the past 150 years until what?

Question 11
11.

What is happening as humans continue to burn fossil fuels, like gas ?

Question 12
12.

The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels. This extra carbon dioxide is lowering the ocean’s pH, causing it to become more acidic . When ocean water becomes more acidic it interferes with the ability of marine organisms (including crabs, and snails) to build their shells and skeletons. Without a shell or skeleton, these organisms are either left unprotected to predators or never make it to birth.

What would happen to the marine organism population if the burning of fossil fuels by humans continues to increase?

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Question 13
13.

What is the title of this graph?

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Photosynthesis
When plants use carbon dioxide to make sugar
Respiration
When organisms breath out carbon dioxide
Decomposition/Decay
When something is burned
Combustion
When dead organisms are broken down
Ocean Exchange
The carbon gas that surrounds the earth
Atmosphereic Carbon
Carbon dioxide from the atmosphere dissolves into the ocean
Question 2
2.

2 best represents what process?

Question 3
3.

3 best represents what process?

Question 4
4.

4 best represents what process?

Question 5
5.

5 best represents what process?

Question 6
6.

6 best represents what process?

Question 7
7.

7 best represents what process?

Question 14
14.

What is on the x-axis?

Question 15
15.

What two things are are on the Y-axis on the graph? (select two answers)

Question 16
16.

How much CO2 (in PPM) is there
currently in Earth’s atmosphere (look for the star)?

Question 17
17.

When were CO2 levels the highest?

Question 18
18.

What is the relationship between CO2 and temperature?

Combustion
Photosynthesis
Respiration
Decay
Ocean exchange
atmospheric carbon
Combustion
Photosynthesis
Respiration
Decay
Ocean exchange
atmospheric carbon
Combustion
Photosynthesis
Respiration
Decay
Ocean exchange
Atmospheric carbon
Combustion
Photosynthesis
Respiration
Decay
Ocean exchange
Atmospheric carbon
Combustion
Photosynthesis
Respiration
Decay
Ocean exchange
Atmospheric carbon
Combustion
Photosynthesis
Respiration
Decay
Ocean exchange
Atmospheric carbon