Answer i need it soon which of the following is an impact of growing the same crop on a farm for several years? improved soil quality decrease in plant diseases increase in diversity of plants decrease in the fertility of soil

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.