1. How many dimensions are represented on a standard isoline map?

The topographic map is a two-dimensional representation of the Earth's three-dimensional landscape. The most frequently used Canadian topographic map is at the scale of 1:50 000. Refer to the map legend for a complete listing of all features and their corresponding symbols.

Explanation:

i am a little confused myself with what goes with the letters and what goes with the numbers but ill do my best to you

the cordillera states and grand canyon are along the southwest u.s. and northern mexican pacific.

the great plains and southwest desert are also the prairie and home to many earthquakes too .

the coastal plains have poor soil and many factories started in the south.

is this what u needed? if not i can see what i can do

the answer is b. apsidal precession