Multiple choice

These observations inform us that Earth's average temperature is increasing, except:

  1. The 20 warmest years on record have all occurred since 1995

  2. Rising temperatures are melting ice on land, lakes, & sea

  3. Animals are increasing in diversity in the wild.

  4. Winter storms increased in frequency & intensity since 1950

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

While rising temperatures, melting ice, and changing storm patterns are direct physical indicators of global warming, an increase in wild animal diversity is not a standard observation used to measure global temperature rise. In fact, climate change often threatens biodiversity.