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The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How many grams of mgbr2 are needed to produce 75g or metal?