How penicillin was discovered in 1928, sir alexander fleming was studying staphylococcus bacteria growing in culture dishes. he noticed that a mold called penicillium was also growing in some of the dishes. a clear area existed around the mold because all the bacteria that had grown in this area had died. in the culture dishes without the mold, no clear areas were present.

detente translated to english means politics

hey hope i can the answer is

1 battles of lexington and concord

2 battle of bunker hill  

3 battles of saratoga

4 battle of new york

5 battle of yorktown

d is the answer hope this

during a dust storm people run for cover and safety. after a dust storm people clean up all the mess the has been made. start building new homes and look for food to survive