What does the graph on p. 214 in Pathways show about atmospheric carbon dioxide levels? (1 point)

Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased.
Each year, the CO2 level increases at a faster rate. Over the past 50 years, it has nearly doubled.

2.
According to the selection, what is the role of infrared radiation in global warming? (1 point)

All of the sun’s energy is converted to infrared radiation and then remains in the atmosphere. This warms the atmosphere.
Over time, infrared radiation makes the atmospher

Question

What does the graph on p. 214 in Pathways show about atmospheric carbon dioxide levels?  (1 point)

    Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased.
    Each year, the CO2 level increases at a faster rate. Over the past 50 years, it has nearly doubled.

2.  
According to the selection, what is the role of infrared radiation in global warming?  (1 point)

    All of the sun’s energy is converted to infrared radiation and then remains in the atmosphere. This warms the atmosphere.
    Over time, infrared radiation makes the atmospher