What is the evidence that atmospheric warming is occurring?
What will be an ideal response?
Scientists have found that:1. carbon dioxide levels are higher now than anytime over the past 800,000 years
2. temperatures have risen on land and in the ocean over the last century
3. Greenland's ice sheet and other glaciers are melting at accelerating rates
4. floating Arctic sea ice is shrinking
5. the world's average sea level has been rising at an accelerated rate, especially since 1975
6. nine of the ten warmest years on record since 1861 have taken place since 2005. As of 2015, the warmest year was 2015 and the second warmest was 2014
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Instructions: Choose one answer from each pair of selections. The greatest potential for flooding is with thunderstorms that are FAST | SLOW moving
Both P-waves and S-waves can pass through ________.
A. brittle zones B. solid rock and liquids C. elastic zones D. liquids E. solid rock
Animals that can live for extended periods on land, but must return to water-based environments to reproduce are
____. a. hominids b. plankton c. reptiles d. mammals e. amphibians
Greenhouse gases were fairly stable through most of human history, but have decreased dramatically in the past 130 years
Indicate whether the statement is true or false