Which of the following choices describes the greenhouse effect?

the process of fertile land being converted to infertile land

the heat trapped in the atmosphere, which causes an increase in the earth’s temperature

the radiation of heat and light from the sun, causing daylight hours to be warmer than nighttime hours

the increase in sea levels and coastal erosion caused by global warming

How did the movement of soldiers during world war 1 contribute to the global influenza (flu) pandemic of 1918 to 1919, which killed millions of people

Complete the activity titled "comparative urban environments." every city is shaped by different cultural forces. in one to two paragraphs, contrast the culture of two different cities from this activity: new york and buenos aires. what makes these cities stand apart from each other culturally? what is unique about each city’s attitude, language, habits, foods, or architecture?

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.