Question

What is global warming?

• A. Slow and steady rise in the earth's surface temperature
• B. Sudden harmful rise in the earth's surface temperature
• C. Slow and steady decrease in the entire earth's temperature
• D. Sudden harmful decrease in the entire earth's temperature

Answer 1

The correct option is A Slow and steady rise in the earth's surface temperature

Global warming is the slow and steady rise in the Earth's surface temperature. Since ice age to 21^st century, the temperature of Earth has risen by 5°C. The global average temperature is on a gradual rise due to global warming.