Answer:
Either heat added or mechanical work done.
Explanation:
Since he found stirring rod on the desk and a cigarette lighter. This means that the beaker was probably either heated with the aid of fire from the lighter.
Also, the stirring rod could have been used to stir the water which will increase the kinetic energy which also means an increase in temperature.
Thus, it's either heat was added or mechanical work was done as a result of stirring.
The second statement is the correct choice. Don't make me type it out.
Answer: An individual living creature is called an organism.
There are many characteristics that living organisms share. All living organisms: respond to their environment.
the answer is definitely A.
