human use of rivers and their surrounding regions has historically meant increases in which of the foloowing

Scientist believe that earths core is around 6000°c where does this heat come from

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

5. what is a red giant? can our sun become a red giant? why or why not?