Use the following to answer questions: 
-(Table: Costs of Producing Bagels) Look at the table Cost of Producing Bagels. The total cost of producing 6 bagels is:
Definitions:
Natural Gas
A fossil fuel consisting primarily of methane, used as an energy source for heating, cooking, and electricity generation.
Autotrophic
Referring to organisms that can produce their own food from inorganic substances using light or chemical energy, such as plants and some bacteria.
Heterotrophic
Organisms that obtain their energy by consuming other living or dead organisms.
Nonliving Environment
Refers to the abiotic components of an ecosystem, including sunlight, temperature, wind, water, and minerals.
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