6.. part a: which statement best expresses the central idea of the tem?
a. the types of food people eat and the way that it is produced has varying costs for the envio
releasing pollution to wasting resources.
b. people tend to buy food that is a low cost to themselves, however, this type of food is usuan
that is costly to the environment.
c. the only way to reduce the emission of greenhouse gases is for the biggest med ezers to con
vegetarian or vegan diets.
d. people don't have to change what they eat to the environment, just how their food istme