The distance decreases as the time increases
Solid, because you said it dissolved.<span />
Im a jewish salesman wanting to know if you wanted to buy some jesus movies
Answer: The ice cube would float on top of the water and the rock would sink to the bottom.
Explanation: The ice cube has a smaller density than the rock which allows the ice cube to float but makes the rock sink to the bottom of the glass of water.
No they don't. Incident rays parallel to the axis of a concave mirror
reflect from the mirror's surface and converge at its focal point.