Question

which of these is an example of how engineers have contributed to society?

a. nomadic tribes traveling in search of food to hunt and gather

b. the theoretical mathematics describing the orbits of planets around the sun

c. our current understanding of viruses

d. the seven - mile bridge that spans across the gulf of mexico to connect two cities of the florida keys

Explanation:

• Option A: Nomadic tribes traveling is a lifestyle, not an engineering contribution.
• Option B: Theoretical mathematics is a mathematical field, not engineering.
• Option C: Understanding of viruses is a biological/medical contribution, not engineering.
• Option D: Building a bridge (the seven - mile bridge) is an engineering feat that connects two cities, which is a direct contribution of engineers to society.

Answer:

D. The seven - mile bridge that spans across the Gulf of Mexico to connect two cities of the Florida Keys