When oxygen combines with water and iron in rock, what is produced? Lichen
Lichen

Minerals
Minerals

Acid rain
Acid rain

Rust

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

5. there were nearly 1,000 pirate attacks between 1994 and 2005 off the coast of according to the international maritime bureau's annual piracy report for 2005.

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas