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Solar radiation is reflected back to space from ________.

________ is an erosional contact between tilted, older strata below and horizontal, younger strata above.

What type of fossilization is best at preserving delicate animal forms?

Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning with the longest time interval and ending with the shortest?

The two main sources of human-generated aerosols are ________ and ________.

The 2013 IPCC report states that if there is a doubling of preindustrial level of carbon dioxide there will be a “likely temperature increase” in the range of ________.

We now live in the ________ era.

Proxy data for detecting climate change comes from ________.

The two main sources of human-generated aerosols are ________ and ________.

We now live in the ________ era.