What challenges does this sketch depict?

Check all that apply.

the threat of disease

the threat of drowning

the unpredictability of animals

attacks by American Indians

environmental challenges

DONE

hi,

john hunter was a scottish surgeon, he was a early advocate of careful observation and scientific method in medicine,

hope this !

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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a.   it resulted in widespread unemployment.

they believed democracy was worth the fight