Pls someone can answer my science homework

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.

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