Ptolemy did not need be concerned about distortion from projections because his map was baseed on:

I believe the answer is: a flat earth

Disortion of projecton happen when we misplace a certain location on the map after projection the location on round earth to a flat map. Since the map that is used by ptolemy is already flat, there would be no chance for a disortion of projection from happening.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;