Following Is a List of Possible Climate Change Tipping Points

question 94

Multiple Choice

Following is a list of possible climate change tipping points, except for one.Choose the one that is not a tipping point.

• A)atmospheric level of 450 ppm
• B)collapse and melting of the Greenland ice sheet
• C)expansion of Amazon rainforest
• D)massive release of methane from Arctic permafrost
• E)sharp drop in the ability of the oceans to absorb CO2

---

Definitions:

Canadian Census

A national survey conducted periodically to collect comprehensive demographic information about the population of Canada.

Cohabitation

is the state of living together and having a sexual relationship without being married.

1981

A year notable for various global and regional historical events, including political shifts and cultural developments.

1991

A year marked by significant global events, including the end of the Cold War and the dissolution of the Soviet Union.