Because they stretch across 4,500 miles, the mountains are considered the world’s longest mountain range.
a. appalachian
b. rocky
c. andes
d. sierra madre

The earth's internal process which drives seafloor spreading is

Which continents lie only in the northern hemisphere

How does a command economy differ from a mixed market economy? in a command economy, citizens have fewer property rights. in a mixed market economy, citizens have more property in a command economy, citizens have more property rights. in a mixed market economy, citizens have fewer property rights in a command economy citizens own all public property. in a mixed market economy, the government owns all private, property in a command economy, citizens own all private property in a mixed market economy, the goverment owns all public property