Bacteria are called useful and harmful organisms. Write two disadvantages and two advantages.

Some bacteria is good but some is also bad

Here are two advantages: there is bacteria in you gut or digestive system this bacteria is very helpful because it t break down food to keep you healthy. second advantage other bacteria can produce oxygen and are used to create antibiotics

Here are two disadvantages: some bacteria is very harmful and cause infections and produce a toxic substance that are a threat to your life. Second some bacteria causes the spoiling of food