Which of the Following Statements Is(are)true About Global Warming

question 10

Multiple Choice

Which of the following statements is(are) true about global warming?

• A) The earth has already warmed by between 0.6 and 0.9 degrees Celsius over the past century.
• B) Burning fossil fuels is the leading contributor of global warming.
• C) The amount of greenhouse gases in the atmosphere has increased by as much as 25 percent since the Industrial Revolution.
• D) All of the above.

---

Definitions:

Antarctica

The Earth's southernmost continent, containing the geographic South Pole, noted for its vast ice sheets and extreme cold temperatures.

Mesozoic

The geological era that lasted from about 252 to 66 million years ago, including the Triassic, Jurassic, and Cretaceous periods, known for the dominance and eventual extinction of dinosaurs.

Gondwana

An ancient supercontinent that included present-day Africa, South America, Antarctica, India, and Australia, existing from the late Neoproterozoic until its break-up in the Jurassic period.

Southern Hemisphere

The half of Earth that lies south of the Equator, encompassing continents like Australia, Antarctica, and parts of Africa, South America, and Asia.