B is not right
c or a,
a is not right
c is correct because they need each other to live
hope that helped :)
The variable is independent because you are affecting it by changing it individually. It would be dependent if you changed one variable then the water was affected.
Answer: Its D
Explanation: Thats the 2nd ffrom final step from letting out wasts
None of the choices are correct
Answer: A. is a measure of energy
Explanation:
Heat is one of the easiest forms of energy that man can detect in your environment because we have the sensation of cold, hot, sweat, drink liquids when we feel hot, see the engine of a car heat up, take a bath of water heated by an electric shower or a boiler, etc.
Heat transfer occurs until the moment bodies reach the same temperature (thermal equilibrium). Heat is the energy transferred between a system and its surroundings because of the differences in temperatures.
