Answer:
b) using an indicator to measure the hydrogen ion concentration of a solution
<span>A question is scientific when it can be answered by using logic and scientific information we have currently, or if there is scope for it to be answered in future because of further development in technology / theories. Scientific questions are based on facts that are observed, just like that of magnet attracting bits of iron, etc.
Few questions like existence of God / existence of demons are beyond science as they are not based on any observation.</span>
High boiling and melting points
Answer:
<h2>
D.)</h2>
Explanation:
Potential energy is when a object is not in motion and the ball is sitting on a shelf not being thrown around or rolling. kinetic energy is when a obeject is in motion and moving.
Relative density, or specific gravity, is the ratio of the density of a substance to the density of a given reference material. Specific gravity for liquids is nearly always measured with respect to water at its densest; for gases, the reference is air at room temperature.
