The answer for this question would be B) U.S. Constitution or the second option.
Answer:
The Puebloan people of Chaco Canyon faced several ecological challenges, including deforestation and over-irrigation, which ultimately caused this community to collapse and its people to disperse to smaller settlements.
Explanation:
I believe the correct answer would be C. A presidential appointment is confirmed by the Senate. This can be seen under the Appointments Clause of the United States Constitution where it says the certain federal positions that are appointed by the president of the US should be confirmed by the US Senate.
Isaac Newton was a philosopher that came up with the scientific method