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Correct Answer: Two neuronsAn electrical synapse is a mechanical and electrically conductive link between two neighboring neurons that is formed at a narrow gap between the pre- and postsynaptic neurons known as a&nb...Read more
Correct Answer: Phylum AnnelidaThe annelids, also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches....Read more
Correct Answer: Carbon dioxidethis radiation cannot freely escape into space because of absorption in the atmosphere by trace gases such as water vapor and carbon dioxide (CO2). These absorbing gases and their surrounding air warm up, emitting radiation downward, towards t...Read more