Mechanical or Chemical: Lichens growing on rocks secrete weak acids to dissolve the rock and create small pits in the rock??

accomplishment : zachary taylor’s was a national war hero in his battle in an mexican war

explanation:

he was known as a national war hero for his battles in the mexican war, taylor was elected as the 12th president of the united states in 1849. he led the nation during its debates on slavery and southern secession. after serving only 16 months in office, taylor died from cholera morbus on july 9,

government

- napolean became emperor of france, and could not be removed from power

- all laws were made by assemblies

- two national assemblies with members chosen by napoleon from candidates elected by the people.