I think the correct answer among the choices listed above is option C. Magnetic levitation has been used to innovate transportation. This innovation is commonly known as maglev. It is a new transportation technology where noncontacting vehicles travel above a guideway by magnetic fields.
Answer: Concentration of H+ =10^-7; log of 10^-7=7 so pH=7
Explanation:
The answer is a Mid-Ocean ridge.
Answer:
thermometer is based on the principle of thermal expansion.