What disease other than smallpox, also infected european settlers? how was it spread?

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 the information in the graph, what can you conclude about humans in the world in general?

In order from largest to smallest what are earths five main oceans