Which is a process that MOST likely formed the Appalachian Mountains found in the eastern part of North America? earthquake

folded rock

plate tectonics

volcanic activity

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient