#1. How does a topographic map help an architect? A It shows where to build a structure.

B It shows how to build a structure.

C It shows the elevation of a building site.

D It tells the builder how the architect wants the parking lot.

#2. How do plants help in erosion control?

A Plant roots hold the soil in place.

B Plants are pretty and keep the neighborhood from being ugly.

C Plants don't help in erosion control.

D Plants allow the soil to float in the rainwater.

#3. The term deposition is used in paragraph 4. Based on context, this term means _.

A laying down of sediments

B erosion control

C silt fences

D landslides

#4. How do satellite views help scientists?

A They give scientists the ability to predict catastrophic events.

B Satellite cameras are not good enough to really be helpful.

C They allow scientists to know where valuable minerals are located.

D They allow scientists to see changes as they happen.