This is a very general question to which I cannot give a useful answer other than to say that "antibiotics" are the class of medications that are used to kill bacterial infections.
Not all bacteria are bad. The human digestive system makes extensive use of "good" bacteria to digest food, and imbalance in this bacterial system can cause stomach upset and digestive problems. "Good" bacterial flora are "probiotics", and include the live acidophilus culture in yogurt.
what first line of defence wiil stop bacteria
Bacteria grows rapidly and there a ways and one of the main ways to stop them from multiplying is to kill them with alcohol or chemicals
If bacteria get into the stomach of a human the first line of defense of the immune system that will potentially stop the bacteria is the gastric juice in the stomach.
yes
no
Bacteria will stop reproducing in temperatures under 0 degrees Celsius.
There is a lot of bacteria that preserve fruit. However, not all bacteria serves to preserve fruits and other vegetables.
bacteria in storm water comes from pet and animal waste.
To stop bacteria
silver
to stop it going off
they are specalised by having a wall of agar jelly around the cells to prevent bacteria.