All cells need water to survive. In order to maintain the necessary amounts, water can flow across the cell membrane from areas of higher concentration to areas of lower concentration. What is this flow of water called?

What was one of the effects of the crusades on european society? select one: a. the conversion of parts of southern and eastern europe to islam b. the importation of the black death c. the architectural method of building stone fortifications d.

This was a popular song during the Great Depression. Why do you think this was the case? Song name's: Brother Can You Spare a Dime

Which of the following is NOT true about the Cold War? A The US and the Soviet Union officially declared war against one another in 1947. B The Soviet Union viewed the US as building alliances in preparation for invasion of the Soviet Union.

Why did bennett champ clark believe that the neutrality act was necessary?

What's the difference between Jacksonian democracy and early American democracy?

what brilliant speaker and writer became the number two man in the Bolshevik party and eventually raised a large army during the Russian Civil War? A. Leon trotsky B. Vladimir lenin C. Nicholas II D. Joseph statlin

What did Radical Republican's require the sates to do?

Who first discovered planet earth and on what date?

Who wrote The Trojan Women and other plays about the Athenians' treatment of women? a. Aristophanes b. Euripides c. Sophocles d. Aeschylus

The people from which area of the map resisted resettlement with violence for over 40 years? iowa florida georgia mississippi