Which of the following rivers is the longest in North America? A.
Columbia River
B.
Mississippi River
C.
St. Lawrence River
D.
Colorado River

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

The net below can be folded to form a square pyramid.la2419"100what is the surface area of the pyramid? 190.8 square inches| 0 217.8 square inches300. 6 square inches354.6 square inches

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market