Why is mercury the only metal to have been used in thermometers

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

What are four significant sources of ghgs that come from wostem washington?

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?