Answer: Because they have built up immunity from past medications.
Explanation: As people get sick and are given antibiotics the 99.9 % are removed but that one percent from the bacteria is able to overcome the antibiotics and make itself stronger and immune to the medicines, then the bacteria evolves and a new person will get infected and will need stronger antibiotics further more the cycle is repeated.
because you know, i mean you know.
Lactic acids fermentation happens in our muscle cells when we are exercising feverishly while alcoholic fermentation is used in yeast cells and is what leads to beer bread and wine.
What are you talking about
The mass is increased as two things are added together so the two masses of the two substances are added together.
