Are bacteria harmful to us? explain

There is good bacteria and bad bacteria

good:

The species of bacteria that colonize our respiratory and digestive systems help set up checks and balances in the immune system bacteria breaks down carbohydrates and toxins, and they help us absorb the fatty acids which cells need to grow.

bad:

Some species of bacteria in your body can result in diseases, such as cancer, diabetes, cardiovascular disease, and obesity.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

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