True or false: According to A Snapshot of the Chesapeake Bay, one sign that the Chesapeake Bay is on its way toward recovery is that oyster populations have rebounded to presettlement population levels?

answer; i believe the correct answer is (crops);

answer; /// you data to develop general ideas or theories;

answer; attention;

'migration rates' are measurements of how many people entering or leaving a country. and if more people are leaving, this could cause a population to change.