Which heat transfer process can be described as currents of warm air rising from earth's surface as currents of cool as descend

Describe how the state governments in the south saw to restrict the rights of formerly enslaved african-americans

Agroup of anthropologists from the future want to study the culture and society of the twenty-first century. they cannot find any written documentation of this time period, so they must conduct an archaeological excavation.identify the artifacts, features, and ecofacts they will find during their fieldwork. what will these items tell the anthropologists about our culture and society?

What is the cause of their extinction