Answer:
The average global temperatures has increased since 1880 due to the emission of toxic gases in the atmosphere.
Step-by-step explanation:
- In average the global temperature of the earth has increased by 1 degree Celsius (2 degrees Fahrenheit). It includes the combined land and ocean's temperature.
- The main reason for this increase in global temperature is the emission of gases like carbon dioxide, CFC's and other greenhouse gases.
- Human activities, industrialization, modernization etc. are majorly responsible for this increment in temperature through the centuries.