Describe Two Causes of Climate Change That Help Explain the Repeated

Q30: The formation, disappearance, or movement of landmasses

Q31: Warm periods between glacial advances are called

Q32: Oxygen isotopes in glacial ice cores provide

Q33: The warm period on Earth about 7,000

Q34: The _ climate classification is a system

Q36: The two most common indicators for describing

Q37: A "greenhouse gas" that is currently thought

Q38: Which of these factors creates a major

Q39: Short-term changes in Pacific Ocean circulation are

Q40: The _ cycle shifts the time of