3.5 cause of the kilometers you have to reduce hope that helps.
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments
Answer:
1.Creating products, such as ethanol and enzymes.
2.Making drugs, such as antibiotics and vaccines.
3.Making biogas, such as methane.
4.Cleaning up oil spills and toxic wastes.
5.Killing plant pests.
6.Transferring normal genes to human cells in gene therapy.
7.bacteria help to break down food and keep you healthy.
Other good bacteria can produce oxygen are used to create antibiotics. Bacteria are used in food production to make yogurt and fermented foods. The ecosystem relies on bacteria to function properly.
Hope this helps!!!!
