• Research Alexander Fleming • Find out:
• What he discovered
• How he discovered it
• What the impact of the discovery was

PLEASE HELP

1) He discovered penicillin.

2) He accidentally discovered it when he went on vacation and came back to a green mould called penicillin had contaminated the Petri dishes in his lab and found that it was skilling the bacteria he had been growing.

3) Penicillin is extremely important. Wounds that would be fatal back in the day could be quickly treated with penicillin. Penicillin also inspired others to test other natural products that are now used today.

Galileo galilei was an astronomer not a biologist.

Explanation:

Galileo galilei failed to discover a cell yet the one who invented a microscope because the Galileo galilei was an Italian scientist who contributes in the field astronomy and mathematics. He was not interested in biology so he was not able to discover the cell in the presence of microscope. Galileo galilei made many theories about the universe and make improvements in the structure of telescope which enables him to study the universe.