Answer:
Chuska and San Mateo mountains.
Explanation:
The strontium isotopes indicate that timbers and logs used to build houses and infrastructures at Chaco Canyon came from Chuska and San Mateo mountains.
These mountains are about 100 kilometres away from the canyon and Strontium ratio from the Chaco canon's dust, water and bedrock reveals that these construction beams were from the Chuska and San Mateo mountains.
The importance of the West Indian colonies. The shortage of labour. The failure to find alternative sources of labour.
Answer:
Effective Jan. 1, 2001, the annual salary of the President of the United States was increased to $400,000 per year, including a $50,000 expense allowance, a $100,000 nontaxable travel account, and a $19,000 entertainment account. The president's salary is set by Congress, and under Article II, Section 1 of the United States Constitution, may not be increased or reduced during his or her current term of office.
