Explain what is meant by an exothermic reaction and write balanced equation for any two exothermic changes Please do not answer from links
Please answer correctly
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How much energy moves onto the next level, in an energy pyramid

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

What best discribes the relationship between wavelength and frequency in a electromagnetic wave