You should never get upset at friends because it isn't normal to get mad at them. true or false ?

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

Which of the following would most likely cause a large number of density independent deaths in a population

Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?