If anyone could help that would be awesome! Define an acid based on Ion concentration, pH values and real world examples.

One of the largest seafood exporters to the united states is a. china b. brazil c. mexico d. saudi arabia

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half