Jenny is hiking with her family. Thry want to stay at the same elevation the whole time
they are using a topographic map to help them:

Directions: Read the text, and answer the questions.

2. The map has 280 m written
as 280 m written on a small contour line with a cross inside it. What does it
mean?
a. It is a hill 280 m high.
b. It is a valley 280 m deep.
c. It is a river 280 m long.
d. It is a canyon 280 m wide.