How does the sun produce the aurora on earth? how is the magnetic field of the sun related to sunspots?

Which continents lie only in the northern hemisphere

What causes the cyclical changes in the appearance of the moon?

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