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.
according to this report the total first year cost of owning a dog is $ 1270 and for a cat it s $ 1070 as you can see having a pet can cost you over $ 1000 in the first year and well over $ 500 each additional yeardepending on the food you buy and your actual medical expenses the costs could be much higherccording to this report the total first year cost of owning a dog is $ 1270 and for a cat it s $ 1070 as you can see having a pet can cost you over $ 1000 in the first year and well over $ 500 each additional year