Question 1
What is the main protective role of the stratospheric ozone layer?
Question 2
Which human-made chemicals were a major cause of stratospheric ozone depletion?
Question 3
Which greenhouse gas is released in large amounts by burning fossil fuels and is a major driver of global climate change?
Question 4
What is the best description of ocean acidification?
Question 5
How can warming ocean water directly affect coral reefs?
