Which two human activities release carbon dioxide into the air?
Burning fossil fuels and deforestation.
AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Foundation · 5.9.2.2
Revise AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Foundation specification point 5.9.2.2, Human activities which contribute to an increase in greenhouse gases in the atmosphere, with free active-recall flashcards. Flip through the set or review every question and answer below.
1 / 5
Which two human activities release carbon dioxide into the air?
Burning fossil fuels and deforestation.
What are two sources of methane emissions?
Livestock and the decay of organic waste.
How do carbon dioxide and methane reduce the rate at which energy escapes to space?
They absorb some of the infrared radiation emitted by Earth.
What effect do higher concentrations of carbon dioxide and methane have on the greenhouse effect and global temperature?
They strengthen the natural greenhouse effect, raising global temperatures.
What changes in climate patterns can result from the enhanced greenhouse effect?
Changes in temperature and rainfall patterns.