Question

Give two ways in which bacteria are useful to us and two ways in which they are harmful?​

Answer 1

Answer:

Creating products, such as ethanol and enzymes.

Making drugs, such as antibiotics and vaccines.

Making biogas, such as methane.

Cleaning up oil spills and toxic wastes.

Killing plant pests.

Transferring normal genes to human cells in gene therapy.

Explanation:

hope it will be help you

Answer 2

Answer:

in usefull way's

1. help in metabolic activity

2. help in make soil fertile

in harmful way

1. They cause disease

2. the pollute some water body by replicate her number.