In the novel Contact by Carl Sagan, an extremely advanced civilization has constructed a labyrinth of wormholes throughout the galaxy. A civilization capable of such a feat would most likely be classified as what kind of civilization?
A) Type III
B) Type II
C) Type IV
D) Type I

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

What happens when you slowly pulled the carboard?

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?