Urban areas tend to be warmer than the rural areas that surround them. This is mainly caused by how the materials that humans use for building, such as concrete, absorb and radiate energy from the Sun. This is known as the "heat island" effect.

What did the leaders of the soviet union feel would provide the most protection for their country

50 points in at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution.

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?