Answer:First: the coefficients give the number of molecules (or atoms) involved in the reaction. In the example reaction, two molecules of hydrogen react with one molecule of oxygen and produce two molecules of water. Second: the coefficients give the number of moles of each substance involved in the reaction.
Explanation: PLESE GIVE BRAINLIEST
Migration is an example of behavioral adaptation
I believe the first space is 1. alloys, and the second space is also 1. main. I don't know for sure but I hope this helps.
A Bronsted-Lowry acid-base is a molecule or ion that donates a hydrogen ion in a reaction.
<em>Brainliest Please?</em>
