Which process most likely breaks down marble or limestone statues?
a.
chemical weathering by acid rain
b.
chemical weathering by oxidation
c.
mechanical weathering by ice wedging
d.
mechanical weathering by wind

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Where is the world’s shortest commercial runway?

Wich of the following is not likely to appear on a map