Correct answer: "A. Energy from an outside source is continuously being added."
An endothermic reaction is a reaction that is characterised by the system absorbing energy from its surroundings. That energy is usually in heat form. For example, when mixing water<span> with potassium chloride, this reaction will absorb heat and the container will feel cold - endothermic reaction.</span>
Answer:
A I did the exam and I saw A sorry if it is wrong dont have the best of memory
Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.
A.) AlO is the correct formula
