Answer:
Ethanol-filled thermometers are used in preference to mercury for meteorological measurements of minimum temperatures and can be used down to −70 °C (−94 °F). The physical limitation of the ability of a thermometer to measure low temperature is the freezing point of the liquid used.
4 n to the right is the net force
The microgram is the greater mass. It takes 1,000 nanograms to make just one. One microgram is 999 nanograms bigger than one nanogram.
