PLEASE HELP!!! Geographers can use the formula "total amount of arable land divided by the total number of farmers" to calculate

physiological density
agricultural density
arithmetic density
standard density
population density

Which of the following is true regarding osmosis in bacteria cell?

Why is the continuous presence of police officers and vigilant members of the public an ineffective crime prevention strategy? *criminology*

Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.