Answer:
no
Explanation:
matter can neither be created nor destroyed so all matter is reused
I can only assume it’s showing you a graph of a reaction with and without a catalyst. So the dotted line would be without the catalyst.
Answer:
Washing hands daily and wear clean clothes.
Explanation:
Washing hands daily and wear clean clothes are the methods which prevent the spread of microorganisms and when exposed to microorganisms in the laboratory, we will have to use disinfectant in order to remove the microbes so that the solution or reactions are safe from the contamination. There are many methods such as sterilization as well as using chemicals is responsible for the removal of microorganisms.
