which of the following statements is  true? a. the nitrogen cycle is the most important cycle for life. b.the oxygen cycle is the least important cycle for life. c.life can be sustained without any of the cycles for life present. d.all cycles of matter are equally important for life to be sustained.    select the best answer from the choices provided

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?

When geographers describe how two places are related to each other spatially, they are describing a. where the places are located in relation to one another b. what kinds of natural environments are around each place c. how each place is changing over time d. what kinds of cultures are in each place

Which of the following scenarios is an example of a trade sanction