Throughout Earth's history, there have been warmer periods and colder periods. These temperature changes have had significant impacts on the planet
Choose the statement below that best describes the difference between historical temperature
changes and current temperature changes.
O Historical temperature changes were abrupt while current changes have been very gradual
o
Current temperatures have been steadily rising for the last 250 years, and historically,
temperatures both rose and fell
O Current warming of the planet is occurring faster than any other known temperature increase
In the past, temperature change was attributed to changes in the atmosphere, while today much
of it is attributed to the sun's waning energy output