Sharks live in seawater. Their tissues are isotonic to seawater, but their concentrations of sodium ions, potassium ions, and chloride ions in cells and extracellular fluids are similar to those of freshwater fishes. How is that possible?

What was Benito Mussolini's attitude toward personal liberties? a) The state should decide which personal liberties were needed. b) Personal liberties were an individual matter. c) There should not be any personal liberties.

Which political ideology was purely atheistic in its belief system and therefore diametrically opposed to what the majority of Americans held sacred? Capitalism Communism Evangelism Feudalism

What does no taxtation without presentation mean?

Which of the following is an example of using physical capital to save time and money? lowering workers' wages to increase profits switching from oil to coal to make production cheaper hiring more workers to do a job building extra space in a

How many amendments have been added since the first ten? a. 15 c. 17 b. 16 d. 18

What does the department of agriculture do?

Which Italian opera composer preceded Verdi and was a master at both opera seria and comic opera? Puccini Rossini Smetana Wagner

What are the 3 environmental factors?

Who asserted that children must be given the opportunity to explore and work on different materials so that they will develop the sense of initiative instead of guilt?

A business that is lucrative is one that is yielding profit. True False