How might a nation be affected if another nation did not follow agreed upon water rules

The simple interest on a loan of $200 at 10 percent interest per year is $10 per year until the loan is paid off. $15 per year until the loan is paid off. $20 per year until the loan is paid off. $25 per year until the loan is paid off.

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

What will a positive and a negative charge do if they are separated from each other?