The change in the shape of earth's orbit is called... (1 point)
precession
eccentricity
obliquity(earth's tilt)
seasons
The change in the tilt of earth's axis is called (1 point)
Precession
The wobble of the earth on its axis over time is called (1 point)
The changes in eccentricity occur over ______ years (1 point)
25000
40000
100000
The changes in earth's tilt occur over _____ years (1 point)
The changes in precession or earth's wobble occurs every ______ years (1 point)
Due to the tilt of earth's axis the higher latitudes receive ______ solar energy than the lower latitudes(equator). (1 point)
less
more
equal
When global carbon dioxide levels are low then that generally coincides with _____ global temperatures. (1 point)
higher
lower
not enough info
cyclical
According to the graph, how often do global carbon dioxide levels peak. (1 point)
13000 years
25000 years
40000 years
100000 years
Based on what you have learned today...which of the cycles has the biggest impact on global temperature (1 point)
earth's tilt(obliquity)
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