Earth's core is solid right? cause i saw a comment on another question that said it was liquid metal.

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next