Example of positive outcome of mutation

Which of the following units is not an official si unit? mole liter kilogram ampere

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?