Biology, 06.12.2021 21:00 mathater15
0.11. The following table shows how % Co, in atmosphere and temperature rise in the Earth's surface
(°C) have changed during the past 300 years.
Year
1700
1750
1800
1850
1900
1950
2000
% CO, in the atmosphere
0.028
0.028
0.028
0.029
0.030
0.032
0.036
0.00
0.00
0.00
0.05
0.15
Increase in the average
temperature of Earth ("C)
0.25
0.60
Beginning in the 18th century, human activities has increased the amount of greenhouse gases (such
as carbon dioxide) through burning of fossil fuels, electricity and heat production, agriculture,
manufacturing, and engines used for transportation. These activities amplify the natural "greenhouse
effect" and cause the average temperature on Earth to increase. This gradual increase in average
temperatures on Earth is known as
a) global warming
b) weather
c) carbon footprint
d) Earth heating
Answers: 1
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