Approximately, how many national parks are there in the united states?
a. 25
b. 50
c. 120
d. 474

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

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

The graph below plots the temperature and luminosity of stars on the main sequence.