Most metals are good conductors of heat and they are solids at room temperature. Mercury is the only one in liquid state at room temperature, and has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer. This is the reason behind mercury and alcohol being used in thermometer. Some of the principles of the thermometer were known to Greek philosophers of two thousand years ago.
Veterinary/Medical costs: $160 â 670. The cost of spaying or neutering a dog is $50-200 depending on the size of the dog and whether there are health conditions that can complicate the surgery. A routine veterinary exam runs from $45-150. The cost of puppy vaccinations and boosters is $20-150.
Cost. The annual cost of a small dogâincluding food, veterinary care, toys and licenseâis $420. Make that $620 for a medium dog and $780 for a large pooch. This figure doesnât include capital expenses for spay/neuter surgery, collar and leash, carrier and crate.ost. The annual cost of a small dogâincluding food, veterinary care, toys and licenseâis $420. Make that $620 for a medium dog and $780 for a large pooch. This figure doesnât include capital expenses for spay/neuter surgery, collar and leash, carrier and crate.