When did the united states officially enter the fighting in world war 2? why?

How much thorium 234 will remain after 3 half lives

Read the first page of the article titled "Fundamental Concepts of Political Geography: An Introduction." Identify and describe the two defining concepts of political geography. (Site 1)

What features of big cities appealed to immigrants

What kinds of vegetation grow well in the climate and soils of the South? a. mangroves c. cotton b. thick forests d. all of the above

What are the strengths and limitations of the Doppler and transit methods? What kinds of planets are easiest to detect with each method? Are there certain planets that each method cannot detect, even if the planets are very large? Explain.

Question: Which best describes Antarctica? Answers: A. It has a population of about two million people. B. It is a desert. C. It is a territory of the United Nations. D. It has ice on about 10 percent of its surface.

Which of the following is a belief of Judaism? A. Salvation comes only to those who practice rituals. B. A prophet wrote the direct words of God into a sacred text. C. The Gospels were written by the disciples of a savior. D.

The planetarium is not crowded on Wednesdays, so we should visit it then. Is this sentence an appropriate opening sentence for the purpose of the argument?

What three livestock were sent from the Americans to Europe

Greenhouse effect compare and contrast with global warming