Answer:
Exoplanets can be observed by the reflected light they give off from their star much the same way we can observe Mars, Venus and Jupiter.
Explanation:
Robert E. Khan and Vint Cerf developed the internet.
Answer:
Airports, roads, bridges, dams, sewerage, railways, and many more.
Explanation:
Civil engineering concerns constructing, designing, and maintaining a physical environment. Examples of civil engineering are airports, roads, bridges, dams, sewerage, railways, etc.
Answer:
B
Explanation:
I choose b and it was correct