what is the sum of the opposite of the opposite number located at point r when added to 6?
a) −6
b) 0
c) 12
d) 6

Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Which question did the author of how to grow a school garden consider about the audience before writing the project plan