Which of the following does not contribute to increased air quality

Why might have people followed the rivers to find their way into asia

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

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.