A tiny solid suspended in the athmosphere
I don’t know if this is a question but yes a controlled experiment allows you to isolate and test the hypothesis
B. Plate count method!
I hope this helps. Enjoy the holidays.
Answer:
B. An experiment that you don't change any variables.
Answer:
Bacteria are microorganisms and they are useful to us. Bacteria are economically important as these microorganisms are used by humans for many purposes. The beneficial uses of bacteria include the production of traditional foods such as yogurt, cheese, and vinegar. Microbes are also important in agriculture for the compost and fertilizer production. Bacteria are used in genetic engineering and genetic changes.