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>
Protons are Positively charged
Electrons are Negatively charged
Electrons are attracted to Protons
C) Electron
Hope this Helps!!!
H ( hydrogen ) is the answer I believe.
