Quiz about The Carbon Cycle and Temperature Change Effects

Question 1

What remained constant in the atmosphere for most of the past 1000 years?

Accepted Answer

Carbon dioxide levels

Answer

Oxygen levels

Answer

Hydrogen levels

Answer

Nitrogen levels

Question 2

What major change occurred in the late 18th century affecting the atmosphere?

Accepted Answer

Increase in carbon dioxide

Answer

Decrease in oxygen

Answer

Stable hydrogen levels

Answer

Reduction in nitrogen

Question 3

What is the role of oceans in the carbon cycle?

Accepted Answer

Both a source and sink of carbon

Answer

Neither a source or sink carbon

Answer

Only source carbon

Answer

Only sink carbon

Question 4

What started the Anthropocene epoch?

Accepted Answer

Human impact on the environment

Answer

Increase in agricultural activities

Answer

Natural disasters

Answer

Decrease in human population

Question 5

What is the annual addition of carbon to the atmosphere from fossil fuels?

Accepted Answer

9.5 billion tonnes

Answer

950 million tonnes

Answer

9.5 million tonnes

Answer

95 million tonnes

Question 6

What is the primary goal of reducing emissions from fossil fuels?

Accepted Answer

Stabilize the carbon cycle

Answer

Increase carbon in the atmosphere

Answer

Decrease atmospheric oxygen

Answer

Increase global temperatures

Question 7

What do negative emission schemes primarily aim to do?

Accepted Answer

Remove carbon from the atmosphere

Answer

Increase carbon emissions

Answer

Produce more fossil fuels

Answer

Decrease oxygen levels

Question 8

What is a major drawback of relying solely on negative emission schemes?

Accepted Answer

They encourage continued pollution

Answer

They are widely implemented

Answer

They are highly efficient

Answer

They decrease carbon quickly

Question 9

What will eventually force humans to stop using fossil fuels?

Accepted Answer

Depletion of resources

Answer

Technological advancements

Answer

Economic benefits

Answer

Global agreements

Question 10

How long might it take to restore the carbon cycle's dynamic equilibrium?

Accepted Answer

Hundreds of years

Answer

A few decades

Answer

A couple of years

Answer

Thousands of years

Question 11

How much of the Arctic sea ice has disappeared in the last 30 years?

Accepted Answer

40%

Answer

55%

Answer

25%

Answer

10%

Question 12

What was the impact of the 2003 European heatwave?

Accepted Answer

52 thousand deaths

Answer

Economic growth

Answer

Minimal impact

Answer

Increased ice formation

Question 13

If global temperatures were 2 degrees higher, how much higher were the sea levels 125,000 years ago?

Accepted Answer

6 meters (18 feet)

Answer

2 meters (6 feet)

Answer

4 meters (12 feet)

Answer

8 meters (24 feet)

Question 14

How portion of life on earth will face extinction at 2 degrees?

Accepted Answer

1/3

Answer

1/4

Answer

1/2

Answer

1/8

The Carbon Cycle and Temperature Change Effects

17 questions