future income.
when you set up your first budget you will use only the dollars you have on hand right now. you may be wondering how to plan for next pay check (and the next after that) . you may be asking yourself can I budget my future income. in a word-no.
-2ac - 7b + 6a (+20 characters)
Because they knew how to plant, grow, harvest, and perform well through the difficulties in the labor intensive crop. They were native and experienced.
I believe the answer is: catgut tied to crude metal wires
The catgut is made by the intestines of mammals such as horse or sheep. Ancient Egypt was among the first one to use this method in order to preserve the teeth.
For wealthier citizens, they might use a more expensive metal for the braces. The Etruscans for example use gold as a form of brace in order to prevent tooth collapse.
The primary energy source in the US is fossil fuels, such as coal and oil. Hydroelectic and solar are very very small in comparison (about 10 to 15 times less of those is used than fossil fuels).