write a report using the following headings aim, method, result, conclusion about reaction of iron with oxgen​

What produces wave a)sound b) heats c)transfer of energy d)vibrations

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products