PLEASE HELP ME Global warming is the rise of average temperatures across the globe. Some evidence suggests that it is caused by . *

-heat energy being trapped near the surface by gasses.
-increased volcanism.
-the Earth's rotation around the sun.
-the tilt of the Earth on its axis.

In 1933 the 21st amendment was added to the u.s. constitution, allowing for the manfacture, transportation, and sale of alacoholic beverages in the united states. why was this amendment needed?

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?

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.