Ocean acidification
Greenhouse effect
Ozone depletion
Climate migration
Soil erosion
Correct answer is B
The greenhouse effect is caused by the trapping of heat in the atmosphere by greenhouse gases.
What is the birthday of Nelson Mandela?...
What is customary when greeting someone in Russia?...
What is the main role of the liver?...
How do you tag multiple people in an Instagram photo?...
How do you manage blocked users on YouTube?...
How do you clear all chat data on WhatsApp?...
What is the primary effect of melting permafrost?...
Which African country is known for the historic Lalibela rock churches?...
Which gas do humans exhale?...
What is the name of the wizard in "The Lord of the Rings"?...