Absolute Location. Because it tells you the exact longitude and latitude.
The romans most likely traded for horses and wild animals because it could provide them with meat and along that they could also use it for trade
Gross income is the total income, from all sources, before taxes.
So it's not relevant what your tax rate is, if you earn 50 000 a year, then this is your gross income.
Show them the affects of what would happen if they didn’t take responsibility, eg struggles of obesity etc, hope this helps :)
