Carbon dioxide is responsible for most global warming.
False
True
The ozone layer is a thin part of the Earth’s atmosphere that absorbs almost all of the sun’s harmful ultraviolet light.
True
False
The greatest diversity of animal and plant species occurs in deserts and savanna.
True
False
Acid rain describes rain that contains high levels of nitric and sulfuric acid.
True
False
The word ‘ecology’ was first coined by Charles Darwin.
True
False
By 2040, the world’s population is expected to rise to approximately 8 billion.
False
True