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.
Answer:
The anaswer to your question about fossils is your work.
Explanation:
C. the alge, zooplankton, insect, and bluegill populations would all be affected.
Answer
solar system, a globe of earth
Interphase is the process in which the cell prepares for mitosis, but I don’t know if that is what you were asking. Hope this helps