Which wave causes the medium to vibrate only in a direction parallel to the wave’s motion?

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?

Why is terracing used in southeast asian agriculture?

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d