We are currently living in the
A) Mesozoic era.
B) Tertiary period.
C) Holocene epoch.
D) midst of Earth's sixth major ice age.
Question 2
The time scale of climate change
A) is well defined and immutable.
B) is difficult to pin down for a wide variety of reasons.
C) can be measured and tracked with satellite data.
D) is easy to follow because climate changes little in spatial variation.