Answer:
In 1928, at St. Mary's Hospital, London, Alexander Fleming discovered penicillin. This discovery led to the introduction of antibiotics that greatly reduced the number of deaths from infection.
The discovery of penicillin was actually a mistake!
Fleming obtained an extract from the mold, naming its active agent penicillin. He determined that penicillin had an antibacterial effect on staphylococci and other gram-positive pathogens.
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Answer:
physiography originally means the study of nature . but here it means physical geography
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btw can i get brainliest
Answer:
no your 1st answer is wrong it must be a deer beacause it affects the food chain of many carnivores.
Explanation:
- d
- a because it will definitely affect the eco system
- c it's the correct answer
- c it's also the correct answer ☺️
Answer:
Even when equilibrium is reached, particles of a solution will continue to move across the membrane in both directions. However, because almost equal numbers of particles move in each direction, there is no further change in concentration.
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