No mathematics the most common way of solving an equation will be PEMDAS so the answer for your question will most likely be subtraction.
Answer:
e−(Ea/RT): the fraction of the molecules present in a gas which have energies equal to or in excess of activation energy at a particular temperature
Answer:False
Explanation:co2 or carbon dioxide is a compound not an element, you can even check this on the periodic table
I believe it is C, as helium is one of the lightest noble gases making the particles move faster.