Bacteria are very small organisms that are everywhere on Earth. They can’t be seen with the naked eye because they are so small, but they are in the air, on our skin, in our bodies, and in the ground. Actually most bacteria are very useful. They play an important role in the planet’s ecosystem as well as in human survival. Bacteria is used to make foods such as yogurt, cheese, pickles, and soy sauce. Inside our bodies, bacteria help us digest and breakdown our food. Some bacteria can also help our immune system protecting us from certain harmful organisms that can make us ill.
خودمم همینو تحویل دادم ! امیدوارم کامل بوده باشه ! 🍉🍀
