C. Speedometer
Explanation: Hope this helps but a speedometer does in fact let you know how fast your vehicle is going.
Solubility is the relative ability to dissolve
Example could be mixing sugar and water
Answer:
Forceps should be used because directly touching the substance and dropping it into the acid with your hands can cause harm to yourself, and it can also prevent contamination of the substance.
Explanation:
The first one is not true more energy per gram than other biomolecules