Question 413 out of 3 pointsClimate oscillations, which include ice ages and warm periods, have a documented pattern called ____________ Cycles.
Question 423 out of 3 pointsScientists have extracted long cores from the Antarctic ice sheets. How far "back in time" do these cores go? In other words, they can tell us the climate on Earth only upto about ______ years ago.
Question 433 out of 3 pointsIn the past 20 years, how has the volume of the polar ice caps changed?
Question 443 out of 3 pointsWhich decade in the past was the hottest (overall) on record, globally?