Sign up for FREE

Atmospheric Concentrations of Greenhouse Gases - MS-ESS - Weather and Climate

Last updated 10 days ago

18 questions

Note from the author:

Instructions

Required

4

Required

4

Required

6

Question 3

3.

Required

4

Required

4

Required

4

Required

6

Required

4

Required

6

Question 9

9.

Required

4

Required

8

Question 11

11.

Compare the methane concentration increase from 1950 to 2023 with the earlier periods shown. What implications does this have for future climate policies?

Required

4

Required

6

Required

4

Required

6

Required

4

Required

4

Required

8

Question 18

18.

Question 1

1.

Question 2

2.

Question 4

4.

Question 5

5.

Which activities have led to increased greenhouse gases since the 1700s?

Burning fossil fuels and cutting down forests.

Using wind energy instead of fossil fuels.

Capturing carbon emissions effectively.

Planting trees to absorb more CO2.

Question 6

6.

How long do greenhouse gases typically stay in the atmosphere?

Less than a decade.

Only a few weeks.

Only a few years.

From a decade to many millennia.

Question 7

7.

How do oceans and vegetation interact with greenhouse gases?

They absorb greenhouse gases from the atmosphere.

They remove pollution from the air.

They produce more greenhouse gases.

They increase temperatures in their surroundings.

Question 8

8.

What does the CO2 level trend show from 1950 to 2023?

Fluctuating CO2 without a trend

No change in CO2 levels

Decreasing CO2 levels throughout

Increasing trend in carbon dioxide levels

Question 10

10.

What pattern in methane levels can be identified since 1950?

Levels have fluctuated without trend.

Methane concentrations have risen steadily overall.

Methane levels remained the same every year.

There's been a steady decline overall.

Question 12

12.

What pattern is observed in nitrous oxide levels post-1950?

They sharply fluctuate year to year.

They remain the same throughout the years.

They show a gradual increase over time.

They drastically decline after 1950.

Question 13

13.

How do nitrous oxide levels from 800,000 BCE to 2023 CE differ from those after 1950 CE?

Both datasets show increasing trends with no differences.

Recent data shows extreme fluctuations over time.

Older data shows greater variability than recent data.

Older data has fewer data points than recent data.

Question 14

14.

How did the levels of ozone-depleting substances change from 1978 to 2022?

They generally decrease over the years.

They remain unchanged throughout the years.

They increase steadily each year.

They fluctuate wildly every year.

Question 15

15.

Which gas showed a significant decrease in atmospheric concentration by 2022?

HCFC-22 shows a gradual decline.

CFC-12 levels continue to rise.

Methyl chloroform is nearly zero.

HFC-134a has stable concentrations.

Question 16

16.

What trend in atmospheric ozone does the graph reveal?

Ozone levels increased significantly after 1995.

Ozone levels remain stable with minor fluctuations.

Ozone levels are highest in the stratosphere.

Ozone levels decline yearly without exception.

Question 17

17.

In which atmospheric layer is ozone concentration significantly higher?

The stratosphere has a significantly higher concentration.

The troposphere has more ozone concentration.

Ozone is absent in both atmospheric layers.

Ozone is evenly distributed in both layers.