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.
Dog Food: $150 â 500. The cost of your dogâs food will depend on his size and what you feed him. The bigger the dog, the more he eats, and premium dog food is more expensive than off-brand kibble. You can save money with a generic food, but it could be at the expense of your dogâs health.
Average Cost of Owning a Dog. Small Medium Large. (10 â 35 lbs) (35 â 70 lbs.) (70 â 120 lbs) Initial Costs: Adoption fee/purchase price* $75 - $1,500 $75 - $1,500 $75 - $1,500. Spay (female) or neuter (male)* $250 - $400 $350 - $500 $450 - $550.