To draw a conclusion about the speed of light, why is it helpful to study data from the emission spectra of elements rather than sunlight?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)