Because people make those substance out of other things
In your choices, the best answer is the mass of the reactants and the mass of the products are no equal. The chemical equilibrium can take place in a close system and can not be affected by catalyst and is a reversible reaction. The best describe should be the concentration of reactants and products are constant.
Adapter? - is a device that connects to parts
Adapt? - modifying something to make fit ( usually for a different us then before)
Adapts? - 3 person present of adapts
Adapted? - Past tense of adapt
Adapte? - French word for adapted
I don’t know which word you meant so I put more then one
The strumming is mechanical energy
the notes heard is sound energy
so use D
You should clean up after every investigation because if you leave a mess, maybe another detective will come in and get lost because of the mess you left.
