Author Question: Using Figure 1-3 in your textbook, examine the historical changes in carbon dioxide levels and ... (Read 54 times)

daltonest1984 · **on:** Jul 16, 2018

Using Figure 1-3 in your textbook, examine the historical changes in carbon dioxide levels and global temperatures.

Although carbon dioxide levels have climbed steadily over the past 50 years, global temperatures for the same period have been more erratic, increasing and decreasing yet climbing overall. Which is the most reasonable hypothesis explaining why global temperatures are more erratic than carbon dioxide levels? A) Carbon dioxide accumulates in the atmosphere, but many factors affect global temperatures.
B) Carbon dioxide steadily escapes from the atmosphere into space, but global temperatures rise irregularly.
C) Carbon dioxide levels are produced at a constant rate, but clouds may cool Earth unevenly.
D) Carbon dioxide levels increase temperature until the heat destroys some of the carbon dioxide, lowering temperatures irregularly.

Question 2

Which of the following relationships is most likely to occur if global climate change policies are not enacted soon?

A) The wealthiest nations will contribute most to global climate change, yet the poorest people of the world will suffer most.
B) The wealthiest nations will contribute most to global climate change, and they will in turn suffer the most.
C) The poorest nations will contribute most to global climate change, yet the wealthiest nations will suffer most.
D) The poorest nations will contribute most to global climate change, and they in turn will suffer most.