Which statement about climate change is true?
A) Earth's mean global temperature has fluctuated throughout geologic time.
B) Earth's mean global temperature has increased steadily throughout geologic time.
C) Earth's mean global temperature has decreased steadily throughout geologic time.
D) Earth's mean global temperature has been relatively constant throughout geologic time.

Question

Quizplus · Accepted Answer

Earth's climate has gone through natural fluctuations throughout its history, including ice ages and warm periods. However, the current rate of warming is unprecedented and scientists have linked it to human activities such as the burning of fossil fuels.

Which Statement About Climate Change Is True