Synonyms for individual words can be found below.
«past»
«observation»
Sentences with «past observations»
- Evidence of continued global warming is based on past observations of climate change and our knowledge of the climate system's response to heat - trapping gases. (nca2014.globalchange.gov)
- Based on past observations, dating back to the 19th century, this is unlikely to last. (realclimate.org)
- A pair of narrow jets is the one that was found in past observations. (sciencedaily.com)
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sentences)