(environmental science not physics) 7. gradually taking over farmland over a long period of time is known as commodities. true or false 8. the 2002 farm bill gives money to farmers who grow crops like wheat and soybeans but not to fruit and vegetable farmers. true or false 9. some farmers have been selling their land to developers because it is more cost efficient to do so than to grow crops. true or false 10. the fbi regulates the use of pesticides in agricultural crops. true or false

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?