The phosphorus cycle differs from the biogeochemical cycles in that it does not have an atmospheric reservoir.
it does not have an oceanic reservoir.
there is no assimilation of phosphorus.
there is no decomposition of phosphorus.

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Select the word from the list that best fits the definition a system made of 25 satellites

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?