According to a life cycle analysis of the U. S. food system conducted by the University of Michigan, the U. S. consumes 13.9 quads of mostly fossil fuel energy to produce 1.75 quads of food energy annually. A quad is a unit of energy equal to 1 quadrillion (1015) British thermal units (BTUs). One quad is equal to the energy of 183 million barrels of petroleum. How could these data be best represented graphically?

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

List 3 factors commonly used to select the location of a city

Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering