Salt seems to dissappear when it is poured into water. use mixture, solution, and dissolve to explain what happens.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Stage in which a typical star has completely stopped fusion