Wetlands and estuaries are critical ecosystems, but do not require protection.
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Are salt and soap nutrients or toxins for yeast? explain.

Match the description of each organism to the appropriate category

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit