Distilled water has a hydronium ion concentration of 1 x 10 -7m. what is the ph of distilled water

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d i know the answer is not option b

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

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.