Stingrays. Stingrays are a family of cartilaginous fish containing nine genera and about 70 species. They can be found in all tropical and sub-tropical seas, and there is also a freshwater-only sub-family-the river rays. A flattened body shape and disc-shaped pectoral fins help stingrays live and hide in sand and mud underwater. The famous barbed stinger on the tail is only used in self-defence, often when they are stepped on in shallow waters.
Split and merge into it. Answer by Freezinweasle. Confidence votes 7.9K. A multimeter is used for measuring electricity and because it has many different functions, it has been named a multimeter. They generally measure AC and DC voltage, amps, and resistance (ohms).
1 A calorimeter is an object used for calorimetry, or the process of measuring the heat of chemical reactions or physical changes as well as heat capacity. calorimeter is a device used to measure the heat levels produced by chemical reactions. Bomb calorimeters are heavy-duty devices to withstand greater levels of heat combust â¦ ion and pressure. Bomb calorimeters are used in many industries such as the oil and gas industry or food industry. 1 person found this useful.