Answer:
Several Medical and Law experts gathered together and debated the formation of a new half government half privatized department to assist the Fire Department and Police in the field faster than the hospital could. In fact back then even experts debated to make a law that drivers must yield to emergency vehicles. However that law didn't become official until 1996 when a Paramedic was struck and killed by another vehicle.
Earth would move straight forward through the universe, but the Sun exerts a constant pull on our planet. This force bends Earth's path toward the Sun, pulling the planet into an elliptical (almost circular) orbit. His theories also made it possible to explain and predict the tides.
Answer:
Theories may be proven to be true and become hypotheses. After an investigation, Kuri determines that her hypothesis was wrong.
They have a longer wave length but a lower frequency