What physical evidence is there in Spain today of the influence of the Roman and Moor empires?

Influence of the roman:  Arts and architecture

Influence of the Moor: can be seen in their Foods/delicacies.

Explanation:

Many of the buildings that exist in Spain today had a similar structure with the designs that popularized by Artists in Roman Empire. Historians found most of the similarities in religious buildings (Churches, Monasteries , etc) . It's a signed that a cultural diffusion occurred between Spanish and Roman citizens centuries ago.

As for the influence of the Moor, we can see it in Spanish Delicacies. Foods such as Paella mixta and Jamón ibérico were foods that can be tracked back to the Foods that's common within Moor Empires.

answer; i believe that the correct answer is (c) arctic tundra;