isaac newton found out how gravity works.
galileo found out how stars moved and mapped them
copernicus found that the sun was centered in our solar system
#5 is a hoarding disorder
I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
She knew the land very well and she knew how to interact with other Indian tribes and if she wasn't with them, they could've been killed possibly by other Indian tribes because the white man was looked down upon by them because they had forced them out of their lands before