Periods in example sentence

These peatlands have a permanently frozen ground underneath, the permafrost, and the carbon was able to build up in these soils over long periods of time because even though plants are able to photosynthesize during the short, warm summer months, the environment quickly turns cold and dark, and then microbes are not able to efficiently break down the residue.

More example sentences with word periods

There are a lot of correlates between the two forms of music, I think, in different time periods, in lot of ways, rap serves the same social function that jazz used to serve.

We think, by studying how the sounds are learned, we'll have a model for the rest of language, and perhaps for critical periods that may exist in childhood for social, emotional and cognitive development.

And the reason we should take that possibility seriously is that we know from the geologic history of the Earth that there were periods in its history when sea level rose much more quickly than today.

New models that extend long periods of time are hard.

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